Finding the Fourth Proportional to 57,014.37, 78,673.02 and 31,517.31

Step by Step Solution

1. Step 1: Write the proportion equation
   57,014.37 : 78,673.02 = 31,517.31 : x
2. Step 2: Convert to fraction form
   57,014.37/78,673.02 = 31,517.31/x
3. Step 3: Cross multiply
   57,014.37x = 78,673.02 × 31,517.31
4. Step 4: Simplify right side
   57,014.37x = 2,479,561,959.98
5. Step 5: Solve for x
   x = 2,479,561,959.98/57,014.37
6. Step 6: Final answer
   x = 43,490.12