Finding the Fourth Proportional to 23,179.92, 34,761.15 and 8,385.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,179.92 : 34,761.15 = 8,385.18 : x
2. Step 2: Convert to fraction form
   23,179.92/34,761.15 = 8,385.18/x
3. Step 3: Cross multiply
   23,179.92x = 34,761.15 × 8,385.18
4. Step 4: Simplify right side
   23,179.92x = 291,478,499.76
5. Step 5: Solve for x
   x = 291,478,499.76/23,179.92
6. Step 6: Final answer
   x = 12,574.61