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Finding the Fourth Proportional to 9,168.78, 13,751.11 and 4,237.71

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Solution

The fourth proportional to 9,168.78, 13,751.11 and 4,237.71 is: 6,355.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.78 : 13,751.11 = 4,237.71 : x
  2. Step 2: Convert to fraction form
    9,168.78/13,751.11 = 4,237.71/x
  3. Step 3: Cross multiply
    9,168.78x = 13,751.11 × 4,237.71
  4. Step 4: Simplify right side
    9,168.78x = 58,273,216.36
  5. Step 5: Solve for x
    x = 58,273,216.36/9,168.78
  6. Step 6: Final answer
    x = 6,355.61

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