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Finding the Fourth Proportional to 71,637.66, 98,862.57 and 39,805.88

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Solution

The fourth proportional to 71,637.66, 98,862.57 and 39,805.88 is: 54,933.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,637.66 : 98,862.57 = 39,805.88 : x
  2. Step 2: Convert to fraction form
    71,637.66/98,862.57 = 39,805.88/x
  3. Step 3: Cross multiply
    71,637.66x = 98,862.57 × 39,805.88
  4. Step 4: Simplify right side
    71,637.66x = 3,935,311,103.60
  5. Step 5: Solve for x
    x = 3,935,311,103.60/71,637.66
  6. Step 6: Final answer
    x = 54,933.55

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