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Finding the Fourth Proportional to 73,677.76, 110,500.98 and 21,073.12

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Solution

The fourth proportional to 73,677.76, 110,500.98 and 21,073.12 is: 31,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,677.76 : 110,500.98 = 21,073.12 : x
  2. Step 2: Convert to fraction form
    73,677.76/110,500.98 = 21,073.12/x
  3. Step 3: Cross multiply
    73,677.76x = 110,500.98 × 21,073.12
  4. Step 4: Simplify right side
    73,677.76x = 2,328,600,411.66
  5. Step 5: Solve for x
    x = 2,328,600,411.66/73,677.76
  6. Step 6: Final answer
    x = 31,605.20

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