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Finding the Fourth Proportional to 121,040.80, 181,345.20 and 58,573.60

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Solution

The fourth proportional to 121,040.80, 181,345.20 and 58,573.60 is: 87,755.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,040.80 : 181,345.20 = 58,573.60 : x
  2. Step 2: Convert to fraction form
    121,040.80/181,345.20 = 58,573.60/x
  3. Step 3: Cross multiply
    121,040.80x = 181,345.20 × 58,573.60
  4. Step 4: Simplify right side
    121,040.80x = 10,622,041,206.72
  5. Step 5: Solve for x
    x = 10,622,041,206.72/121,040.80
  6. Step 6: Final answer
    x = 87,755.87

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