Finding the Fourth Proportional to 23,310.72, 34,969.68 and 8,516.34

Step by Step Solution

1. Step 1: Write the proportion equation
   23,310.72 : 34,969.68 = 8,516.34 : x
2. Step 2: Convert to fraction form
   23,310.72/34,969.68 = 8,516.34/x
3. Step 3: Cross multiply
   23,310.72x = 34,969.68 × 8,516.34
4. Step 4: Simplify right side
   23,310.72x = 297,813,684.57
5. Step 5: Solve for x
   x = 297,813,684.57/23,310.72
6. Step 6: Final answer
   x = 12,775.83