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Finding the Fourth Proportional to 266,399.44, 399,599.14 and 108,640.16

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Solution

The fourth proportional to 266,399.44, 399,599.14 and 108,640.16 is: 162,960.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,399.44 : 399,599.14 = 108,640.16 : x
  2. Step 2: Convert to fraction form
    266,399.44/399,599.14 = 108,640.16/x
  3. Step 3: Cross multiply
    266,399.44x = 399,599.14 × 108,640.16
  4. Step 4: Simplify right side
    266,399.44x = 43,412,514,505.46
  5. Step 5: Solve for x
    x = 43,412,514,505.46/266,399.44
  6. Step 6: Final answer
    x = 162,960.23

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