Finding the Fourth Proportional to 127,123.86, 175,412.58 and 81,863.22

Step by Step Solution

1. Step 1: Write the proportion equation
   127,123.86 : 175,412.58 = 81,863.22 : x
2. Step 2: Convert to fraction form
   127,123.86/175,412.58 = 81,863.22/x
3. Step 3: Cross multiply
   127,123.86x = 175,412.58 × 81,863.22
4. Step 4: Simplify right side
   127,123.86x = 14,359,838,627.31
5. Step 5: Solve for x
   x = 14,359,838,627.31/127,123.86
6. Step 6: Final answer
   x = 112,959.43