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Finding the Fourth Proportional to 123,336.51, 170,204.79 and 66,747.89

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Solution

The fourth proportional to 123,336.51, 170,204.79 and 66,747.89 is: 92,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,336.51 : 170,204.79 = 66,747.89 : x
  2. Step 2: Convert to fraction form
    123,336.51/170,204.79 = 66,747.89/x
  3. Step 3: Cross multiply
    123,336.51x = 170,204.79 × 66,747.89
  4. Step 4: Simplify right side
    123,336.51x = 11,360,809,749.37
  5. Step 5: Solve for x
    x = 11,360,809,749.37/123,336.51
  6. Step 6: Final answer
    x = 92,112.30

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