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Finding the Fourth Proportional to 7,673.92, 11,511.08 and 5,738.42

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Solution

The fourth proportional to 7,673.92, 11,511.08 and 5,738.42 is: 8,607.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.92 : 11,511.08 = 5,738.42 : x
  2. Step 2: Convert to fraction form
    7,673.92/11,511.08 = 5,738.42/x
  3. Step 3: Cross multiply
    7,673.92x = 11,511.08 × 5,738.42
  4. Step 4: Simplify right side
    7,673.92x = 66,055,411.69
  5. Step 5: Solve for x
    x = 66,055,411.69/7,673.92
  6. Step 6: Final answer
    x = 8,607.78

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