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Finding the Fourth Proportional to 123,403.44, 170,296.76 and 66,814.80

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Solution

The fourth proportional to 123,403.44, 170,296.76 and 66,814.80 is: 92,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,403.44 : 170,296.76 = 66,814.80 : x
  2. Step 2: Convert to fraction form
    123,403.44/170,296.76 = 66,814.80/x
  3. Step 3: Cross multiply
    123,403.44x = 170,296.76 × 66,814.80
  4. Step 4: Simplify right side
    123,403.44x = 11,378,343,960.05
  5. Step 5: Solve for x
    x = 11,378,343,960.05/123,403.44
  6. Step 6: Final answer
    x = 92,204.43

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