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Finding the Fourth Proportional to 235,631.78, 353,472.23 and 75,667.31

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Solution

The fourth proportional to 235,631.78, 353,472.23 and 75,667.31 is: 113,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,631.78 : 353,472.23 = 75,667.31 : x
  2. Step 2: Convert to fraction form
    235,631.78/353,472.23 = 75,667.31/x
  3. Step 3: Cross multiply
    235,631.78x = 353,472.23 × 75,667.31
  4. Step 4: Simplify right side
    235,631.78x = 26,746,291,225.61
  5. Step 5: Solve for x
    x = 26,746,291,225.61/235,631.78
  6. Step 6: Final answer
    x = 113,508.85

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