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Finding the Fourth Proportional to 592,859.28, 889,012.05 and 213,730.08

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Solution

The fourth proportional to 592,859.28, 889,012.05 and 213,730.08 is: 320,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,859.28 : 889,012.05 = 213,730.08 : x
  2. Step 2: Convert to fraction form
    592,859.28/889,012.05 = 213,730.08/x
  3. Step 3: Cross multiply
    592,859.28x = 889,012.05 × 213,730.08
  4. Step 4: Simplify right side
    592,859.28x = 190,008,612,122.40
  5. Step 5: Solve for x
    x = 190,008,612,122.40/592,859.28
  6. Step 6: Final answer
    x = 320,495.30

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