Finding the Fourth Proportional to 57,078.50, 78,759.11 and 35,842.73

Step by Step Solution

1. Step 1: Write the proportion equation
   57,078.50 : 78,759.11 = 35,842.73 : x
2. Step 2: Convert to fraction form
   57,078.50/78,759.11 = 35,842.73/x
3. Step 3: Cross multiply
   57,078.50x = 78,759.11 × 35,842.73
4. Step 4: Simplify right side
   57,078.50x = 2,822,940,941.76
5. Step 5: Solve for x
   x = 2,822,940,941.76/57,078.50
6. Step 6: Final answer
   x = 49,457.17