Finding the Fourth Proportional to 127,861.52, 191,892.72 and 88,694.24

Step by Step Solution

1. Step 1: Write the proportion equation
   127,861.52 : 191,892.72 = 88,694.24 : x
2. Step 2: Convert to fraction form
   127,861.52/191,892.72 = 88,694.24/x
3. Step 3: Cross multiply
   127,861.52x = 191,892.72 × 88,694.24
4. Step 4: Simplify right side
   127,861.52x = 17,019,778,961.93
5. Step 5: Solve for x
   x = 17,019,778,961.93/127,861.52
6. Step 6: Final answer
   x = 133,111.03