Finding the Fourth Proportional to 57,010.55, 78,674.02 and 31,517.57

Step by Step Solution

1. Step 1: Write the proportion equation
   57,010.55 : 78,674.02 = 31,517.57 : x
2. Step 2: Convert to fraction form
   57,010.55/78,674.02 = 31,517.57/x
3. Step 3: Cross multiply
   57,010.55x = 78,674.02 × 31,517.57
4. Step 4: Simplify right side
   57,010.55x = 2,479,613,932.53
5. Step 5: Solve for x
   x = 2,479,613,932.53/57,010.55
6. Step 6: Final answer
   x = 43,493.95