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Finding the Fourth Proportional to 168,431.49, 232,429.37 and 92,978.37

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Solution

The fourth proportional to 168,431.49, 232,429.37 and 92,978.37 is: 128,306.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,431.49 : 232,429.37 = 92,978.37 : x
  2. Step 2: Convert to fraction form
    168,431.49/232,429.37 = 92,978.37/x
  3. Step 3: Cross multiply
    168,431.49x = 232,429.37 × 92,978.37
  4. Step 4: Simplify right side
    168,431.49x = 21,610,903,497.84
  5. Step 5: Solve for x
    x = 21,610,903,497.84/168,431.49
  6. Step 6: Final answer
    x = 128,306.79

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