Finding the Fourth Proportional to 127,875.52, 176,468.20 and 71,290.52

Step by Step Solution

1. Step 1: Write the proportion equation
   127,875.52 : 176,468.20 = 71,290.52 : x
2. Step 2: Convert to fraction form
   127,875.52/176,468.20 = 71,290.52/x
3. Step 3: Cross multiply
   127,875.52x = 176,468.20 × 71,290.52
4. Step 4: Simplify right side
   127,875.52x = 12,580,509,741.46
5. Step 5: Solve for x
   x = 12,580,509,741.46/127,875.52
6. Step 6: Final answer
   x = 98,380.91