Finding the Fourth Proportional to 57,028.16, 78,697.32 and 31,882.52

Step by Step Solution

1. Step 1: Write the proportion equation
   57,028.16 : 78,697.32 = 31,882.52 : x
2. Step 2: Convert to fraction form
   57,028.16/78,697.32 = 31,882.52/x
3. Step 3: Cross multiply
   57,028.16x = 78,697.32 × 31,882.52
4. Step 4: Simplify right side
   57,028.16x = 2,509,068,878.85
5. Step 5: Solve for x
   x = 2,509,068,878.85/57,028.16
6. Step 6: Final answer
   x = 43,997.02