Finding the Fourth Proportional to 57,103.73, 78,801.13 and 31,610.15

Step by Step Solution

1. Step 1: Write the proportion equation
   57,103.73 : 78,801.13 = 31,610.15 : x
2. Step 2: Convert to fraction form
   57,103.73/78,801.13 = 31,610.15/x
3. Step 3: Cross multiply
   57,103.73x = 78,801.13 × 31,610.15
4. Step 4: Simplify right side
   57,103.73x = 2,490,915,539.47
5. Step 5: Solve for x
   x = 2,490,915,539.47/57,103.73
6. Step 6: Final answer
   x = 43,620.89