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Finding the Fourth Proportional to 74,821.91, 103,251.01 and 40,829.55

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Solution

The fourth proportional to 74,821.91, 103,251.01 and 40,829.55 is: 56,343.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,821.91 : 103,251.01 = 40,829.55 : x
  2. Step 2: Convert to fraction form
    74,821.91/103,251.01 = 40,829.55/x
  3. Step 3: Cross multiply
    74,821.91x = 103,251.01 × 40,829.55
  4. Step 4: Simplify right side
    74,821.91x = 4,215,692,275.35
  5. Step 5: Solve for x
    x = 4,215,692,275.35/74,821.91
  6. Step 6: Final answer
    x = 56,343.02

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