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Finding the Fourth Proportional to 123,057.99, 169,820.13 and 66,469.37

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Solution

The fourth proportional to 123,057.99, 169,820.13 and 66,469.37 is: 91,727.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,057.99 : 169,820.13 = 66,469.37 : x
  2. Step 2: Convert to fraction form
    123,057.99/169,820.13 = 66,469.37/x
  3. Step 3: Cross multiply
    123,057.99x = 169,820.13 × 66,469.37
  4. Step 4: Simplify right side
    123,057.99x = 11,287,837,054.42
  5. Step 5: Solve for x
    x = 11,287,837,054.42/123,057.99
  6. Step 6: Final answer
    x = 91,727.79

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