Finding the Fourth Proportional to 57,406.52, 79,227.56 and 31,915.42

Step by Step Solution

1. Step 1: Write the proportion equation
   57,406.52 : 79,227.56 = 31,915.42 : x
2. Step 2: Convert to fraction form
   57,406.52/79,227.56 = 31,915.42/x
3. Step 3: Cross multiply
   57,406.52x = 79,227.56 × 31,915.42
4. Step 4: Simplify right side
   57,406.52x = 2,528,580,734.69
5. Step 5: Solve for x
   x = 2,528,580,734.69/57,406.52
6. Step 6: Final answer
   x = 44,046.92