Finding the Fourth Proportional to 57,610.50, 79,502.49 and 31,114.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,610.50 : 79,502.49 = 31,114.50 : x
2. Step 2: Convert to fraction form
   57,610.50/79,502.49 = 31,114.50/x
3. Step 3: Cross multiply
   57,610.50x = 79,502.49 × 31,114.50
4. Step 4: Simplify right side
   57,610.50x = 2,473,680,225.11
5. Step 5: Solve for x
   x = 2,473,680,225.11/57,610.50
6. Step 6: Final answer
   x = 42,938.01