Finding the Fourth Proportional to 127,711.97, 191,567.99 and 52,749.72

Step by Step Solution

1. Step 1: Write the proportion equation
   127,711.97 : 191,567.99 = 52,749.72 : x
2. Step 2: Convert to fraction form
   127,711.97/191,567.99 = 52,749.72/x
3. Step 3: Cross multiply
   127,711.97x = 191,567.99 × 52,749.72
4. Step 4: Simplify right side
   127,711.97x = 10,105,157,569.71
5. Step 5: Solve for x
   x = 10,105,157,569.71/127,711.97
6. Step 6: Final answer
   x = 79,124.60