Finding the Fourth Proportional to 127,292.94, 175,665.24 and 79,574.40

Step by Step Solution

1. Step 1: Write the proportion equation
   127,292.94 : 175,665.24 = 79,574.40 : x
2. Step 2: Convert to fraction form
   127,292.94/175,665.24 = 79,574.40/x
3. Step 3: Cross multiply
   127,292.94x = 175,665.24 × 79,574.40
4. Step 4: Simplify right side
   127,292.94x = 13,978,456,073.86
5. Step 5: Solve for x
   x = 13,978,456,073.86/127,292.94
6. Step 6: Final answer
   x = 109,813.29