Finding the Fourth Proportional to 57,101.73, 78,798.37 and 31,608.15

Step by Step Solution

1. Step 1: Write the proportion equation
   57,101.73 : 78,798.37 = 31,608.15 : x
2. Step 2: Convert to fraction form
   57,101.73/78,798.37 = 31,608.15/x
3. Step 3: Cross multiply
   57,101.73x = 78,798.37 × 31,608.15
4. Step 4: Simplify right side
   57,101.73x = 2,490,670,698.72
5. Step 5: Solve for x
   x = 2,490,670,698.72/57,101.73
6. Step 6: Final answer
   x = 43,618.13