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Finding the Fourth Proportional to 69,470.83, 95,868.50 and 39,255.50

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Solution

The fourth proportional to 69,470.83, 95,868.50 and 39,255.50 is: 54,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,470.83 : 95,868.50 = 39,255.50 : x
  2. Step 2: Convert to fraction form
    69,470.83/95,868.50 = 39,255.50/x
  3. Step 3: Cross multiply
    69,470.83x = 95,868.50 × 39,255.50
  4. Step 4: Simplify right side
    69,470.83x = 3,763,366,312.98
  5. Step 5: Solve for x
    x = 3,763,366,312.98/69,470.83
  6. Step 6: Final answer
    x = 54,171.89

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