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Finding the Fourth Proportional to 408,126.20, 612,203.12 and 108,607.07

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Solution

The fourth proportional to 408,126.20, 612,203.12 and 108,607.07 is: 162,914.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,126.20 : 612,203.12 = 108,607.07 : x
  2. Step 2: Convert to fraction form
    408,126.20/612,203.12 = 108,607.07/x
  3. Step 3: Cross multiply
    408,126.20x = 612,203.12 × 108,607.07
  4. Step 4: Simplify right side
    408,126.20x = 66,489,588,910.08
  5. Step 5: Solve for x
    x = 66,489,588,910.08/408,126.20
  6. Step 6: Final answer
    x = 162,914.29

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