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Finding the Fourth Proportional to 74,464.92, 111,720.06 and 21,874.86

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Solution

The fourth proportional to 74,464.92, 111,720.06 and 21,874.86 is: 32,818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,464.92 : 111,720.06 = 21,874.86 : x
  2. Step 2: Convert to fraction form
    74,464.92/111,720.06 = 21,874.86/x
  3. Step 3: Cross multiply
    74,464.92x = 111,720.06 × 21,874.86
  4. Step 4: Simplify right side
    74,464.92x = 2,443,860,671.69
  5. Step 5: Solve for x
    x = 2,443,860,671.69/74,464.92
  6. Step 6: Final answer
    x = 32,818.95

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