Finding the Fourth Proportional to 17,715.38, 24,447.42 and 10,640.43

Step by Step Solution

1. Step 1: Write the proportion equation
   17,715.38 : 24,447.42 = 10,640.43 : x
2. Step 2: Convert to fraction form
   17,715.38/24,447.42 = 10,640.43/x
3. Step 3: Cross multiply
   17,715.38x = 24,447.42 × 10,640.43
4. Step 4: Simplify right side
   17,715.38x = 260,131,061.19
5. Step 5: Solve for x
   x = 260,131,061.19/17,715.38
6. Step 6: Final answer
   x = 14,683.92