Finding the Fourth Proportional to 125,288.27, 172,895.72 and 70,839.56

Step by Step Solution

1. Step 1: Write the proportion equation
   125,288.27 : 172,895.72 = 70,839.56 : x
2. Step 2: Convert to fraction form
   125,288.27/172,895.72 = 70,839.56/x
3. Step 3: Cross multiply
   125,288.27x = 172,895.72 × 70,839.56
4. Step 4: Simplify right side
   125,288.27x = 12,247,856,808.72
5. Step 5: Solve for x
   x = 12,247,856,808.72/125,288.27
6. Step 6: Final answer
   x = 97,757.41