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Finding the Fourth Proportional to 74,781.43, 112,190.57 and 22,190.86

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Solution

The fourth proportional to 74,781.43, 112,190.57 and 22,190.86 is: 33,291.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,781.43 : 112,190.57 = 22,190.86 : x
  2. Step 2: Convert to fraction form
    74,781.43/112,190.57 = 22,190.86/x
  3. Step 3: Cross multiply
    74,781.43x = 112,190.57 × 22,190.86
  4. Step 4: Simplify right side
    74,781.43x = 2,489,605,344.69
  5. Step 5: Solve for x
    x = 2,489,605,344.69/74,781.43
  6. Step 6: Final answer
    x = 33,291.76

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