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Finding the Fourth Proportional to 61,402.20, 92,132.45 and 19,849.20

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Solution

The fourth proportional to 61,402.20, 92,132.45 and 19,849.20 is: 29,783.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,402.20 : 92,132.45 = 19,849.20 : x
  2. Step 2: Convert to fraction form
    61,402.20/92,132.45 = 19,849.20/x
  3. Step 3: Cross multiply
    61,402.20x = 92,132.45 × 19,849.20
  4. Step 4: Simplify right side
    61,402.20x = 1,828,755,426.54
  5. Step 5: Solve for x
    x = 1,828,755,426.54/61,402.20
  6. Step 6: Final answer
    x = 29,783.22

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