Finding the Fourth Proportional to 57,105.46, 78,803.06 and 31,610.32

Step by Step Solution

1. Step 1: Write the proportion equation
   57,105.46 : 78,803.06 = 31,610.32 : x
2. Step 2: Convert to fraction form
   57,105.46/78,803.06 = 31,610.32/x
3. Step 3: Cross multiply
   57,105.46x = 78,803.06 × 31,610.32
4. Step 4: Simplify right side
   57,105.46x = 2,490,989,943.58
5. Step 5: Solve for x
   x = 2,490,989,943.58/57,105.46
6. Step 6: Final answer
   x = 43,620.87