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Finding the Fourth Proportional to 421,517.52, 632,275.56 and 196,802.64

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Solution

The fourth proportional to 421,517.52, 632,275.56 and 196,802.64 is: 295,203.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,517.52 : 632,275.56 = 196,802.64 : x
  2. Step 2: Convert to fraction form
    421,517.52/632,275.56 = 196,802.64/x
  3. Step 3: Cross multiply
    421,517.52x = 632,275.56 × 196,802.64
  4. Step 4: Simplify right side
    421,517.52x = 124,433,499,415.48
  5. Step 5: Solve for x
    x = 124,433,499,415.48/421,517.52
  6. Step 6: Final answer
    x = 295,203.62

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