Finding the Fourth Proportional to 57,990.57, 80,025.63 and 34,118.79

Step by Step Solution

1. Step 1: Write the proportion equation
   57,990.57 : 80,025.63 = 34,118.79 : x
2. Step 2: Convert to fraction form
   57,990.57/80,025.63 = 34,118.79/x
3. Step 3: Cross multiply
   57,990.57x = 80,025.63 × 34,118.79
4. Step 4: Simplify right side
   57,990.57x = 2,730,377,664.59
5. Step 5: Solve for x
   x = 2,730,377,664.59/57,990.57
6. Step 6: Final answer
   x = 47,083.13