Finding the Fourth Proportional to 142,331.52, 213,426.72 and 83,182.08

Step by Step Solution

1. Step 1: Write the proportion equation
   142,331.52 : 213,426.72 = 83,182.08 : x
2. Step 2: Convert to fraction form
   142,331.52/213,426.72 = 83,182.08/x
3. Step 3: Cross multiply
   142,331.52x = 213,426.72 × 83,182.08
4. Step 4: Simplify right side
   142,331.52x = 17,753,278,497.18
5. Step 5: Solve for x
   x = 17,753,278,497.18/142,331.52
6. Step 6: Final answer
   x = 124,731.88