Finding the Fourth Proportional to 34,960.50, 52,441.16 and 8,665.47

Step by Step Solution

1. Step 1: Write the proportion equation
   34,960.50 : 52,441.16 = 8,665.47 : x
2. Step 2: Convert to fraction form
   34,960.50/52,441.16 = 8,665.47/x
3. Step 3: Cross multiply
   34,960.50x = 52,441.16 × 8,665.47
4. Step 4: Simplify right side
   34,960.50x = 454,427,255.42
5. Step 5: Solve for x
   x = 454,427,255.42/34,960.50
6. Step 6: Final answer
   x = 12,998.31