Finding the Fourth Proportional to 57,150.72, 78,849.72 and 31,995.36

Step by Step Solution

1. Step 1: Write the proportion equation
   57,150.72 : 78,849.72 = 31,995.36 : x
2. Step 2: Convert to fraction form
   57,150.72/78,849.72 = 31,995.36/x
3. Step 3: Cross multiply
   57,150.72x = 78,849.72 × 31,995.36
4. Step 4: Simplify right side
   57,150.72x = 2,522,825,177.30
5. Step 5: Solve for x
   x = 2,522,825,177.30/57,150.72
6. Step 6: Final answer
   x = 44,143.37