Finding the Fourth Proportional to 57,049.76, 78,715.32 and 34,382.72

Step by Step Solution

1. Step 1: Write the proportion equation
   57,049.76 : 78,715.32 = 34,382.72 : x
2. Step 2: Convert to fraction form
   57,049.76/78,715.32 = 34,382.72/x
3. Step 3: Cross multiply
   57,049.76x = 78,715.32 × 34,382.72
4. Step 4: Simplify right side
   57,049.76x = 2,706,446,807.27
5. Step 5: Solve for x
   x = 2,706,446,807.27/57,049.76
6. Step 6: Final answer
   x = 47,440.11