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Finding the Fourth Proportional to 75,662.68, 113,415.18 and 42,333.88

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Solution

The fourth proportional to 75,662.68, 113,415.18 and 42,333.88 is: 63,456.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,662.68 : 113,415.18 = 42,333.88 : x
  2. Step 2: Convert to fraction form
    75,662.68/113,415.18 = 42,333.88/x
  3. Step 3: Cross multiply
    75,662.68x = 113,415.18 × 42,333.88
  4. Step 4: Simplify right side
    75,662.68x = 4,801,304,620.30
  5. Step 5: Solve for x
    x = 4,801,304,620.30/75,662.68
  6. Step 6: Final answer
    x = 63,456.71

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