Finding the Fourth Proportional to 23,145.10, 34,696.86 and 8,350.54

Step by Step Solution

1. Step 1: Write the proportion equation
   23,145.10 : 34,696.86 = 8,350.54 : x
2. Step 2: Convert to fraction form
   23,145.10/34,696.86 = 8,350.54/x
3. Step 3: Cross multiply
   23,145.10x = 34,696.86 × 8,350.54
4. Step 4: Simplify right side
   23,145.10x = 289,737,517.30
5. Step 5: Solve for x
   x = 289,737,517.30/23,145.10
6. Step 6: Final answer
   x = 12,518.31