Finding the Fourth Proportional to 10,569.15, 14,552.23 and 8,972.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,569.15 : 14,552.23 = 8,972.49 : x
2. Step 2: Convert to fraction form
   10,569.15/14,552.23 = 8,972.49/x
3. Step 3: Cross multiply
   10,569.15x = 14,552.23 × 8,972.49
4. Step 4: Simplify right side
   10,569.15x = 130,569,738.15
5. Step 5: Solve for x
   x = 130,569,738.15/10,569.15
6. Step 6: Final answer
   x = 12,353.85