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Finding the Fourth Proportional to 74,603.52, 102,952.80 and 42,770.88

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Solution

The fourth proportional to 74,603.52, 102,952.80 and 42,770.88 is: 59,023.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,603.52 : 102,952.80 = 42,770.88 : x
  2. Step 2: Convert to fraction form
    74,603.52/102,952.80 = 42,770.88/x
  3. Step 3: Cross multiply
    74,603.52x = 102,952.80 × 42,770.88
  4. Step 4: Simplify right side
    74,603.52x = 4,403,381,854.46
  5. Step 5: Solve for x
    x = 4,403,381,854.46/74,603.52
  6. Step 6: Final answer
    x = 59,023.78

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