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Finding the Fourth Proportional to 11,336.36, 16,976.25 and 7,163.78

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Solution

The fourth proportional to 11,336.36, 16,976.25 and 7,163.78 is: 10,727.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.36 : 16,976.25 = 7,163.78 : x
  2. Step 2: Convert to fraction form
    11,336.36/16,976.25 = 7,163.78/x
  3. Step 3: Cross multiply
    11,336.36x = 16,976.25 × 7,163.78
  4. Step 4: Simplify right side
    11,336.36x = 121,614,035.34
  5. Step 5: Solve for x
    x = 121,614,035.34/11,336.36
  6. Step 6: Final answer
    x = 10,727.79

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