Finding the Fourth Proportional to 57,059.82, 78,736.50 and 31,562.15

Step by Step Solution

1. Step 1: Write the proportion equation
   57,059.82 : 78,736.50 = 31,562.15 : x
2. Step 2: Convert to fraction form
   57,059.82/78,736.50 = 31,562.15/x
3. Step 3: Cross multiply
   57,059.82x = 78,736.50 × 31,562.15
4. Step 4: Simplify right side
   57,059.82x = 2,485,092,829.79
5. Step 5: Solve for x
   x = 2,485,092,829.79/57,059.82
6. Step 6: Final answer
   x = 43,552.41