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Finding the Fourth Proportional to 9,753.57, 13,454.45 and 5,978.57

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Solution

The fourth proportional to 9,753.57, 13,454.45 and 5,978.57 is: 8,247.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,753.57 : 13,454.45 = 5,978.57 : x
  2. Step 2: Convert to fraction form
    9,753.57/13,454.45 = 5,978.57/x
  3. Step 3: Cross multiply
    9,753.57x = 13,454.45 × 5,978.57
  4. Step 4: Simplify right side
    9,753.57x = 80,438,273.97
  5. Step 5: Solve for x
    x = 80,438,273.97/9,753.57
  6. Step 6: Final answer
    x = 8,247.06

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