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Finding the Fourth Proportional to 236,862.76, 326,866.68 and 129,430.48

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Solution

The fourth proportional to 236,862.76, 326,866.68 and 129,430.48 is: 178,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,862.76 : 326,866.68 = 129,430.48 : x
  2. Step 2: Convert to fraction form
    236,862.76/326,866.68 = 129,430.48/x
  3. Step 3: Cross multiply
    236,862.76x = 326,866.68 × 129,430.48
  4. Step 4: Simplify right side
    236,862.76x = 42,306,511,288.41
  5. Step 5: Solve for x
    x = 42,306,511,288.41/236,862.76
  6. Step 6: Final answer
    x = 178,611.92

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