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Finding the Fourth Proportional to 71,598.13, 98,805.42 and 39,769.99

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Solution

The fourth proportional to 71,598.13, 98,805.42 and 39,769.99 is: 54,882.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,598.13 : 98,805.42 = 39,769.99 : x
  2. Step 2: Convert to fraction form
    71,598.13/98,805.42 = 39,769.99/x
  3. Step 3: Cross multiply
    71,598.13x = 98,805.42 × 39,769.99
  4. Step 4: Simplify right side
    71,598.13x = 3,929,490,071.32
  5. Step 5: Solve for x
    x = 3,929,490,071.32/71,598.13
  6. Step 6: Final answer
    x = 54,882.58

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