Finding the Fourth Proportional to 17,784.80, 24,544.32 and 10,715.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,784.80 : 24,544.32 = 10,715.12 : x
2. Step 2: Convert to fraction form
   17,784.80/24,544.32 = 10,715.12/x
3. Step 3: Cross multiply
   17,784.80x = 24,544.32 × 10,715.12
4. Step 4: Simplify right side
   17,784.80x = 262,995,334.12
5. Step 5: Solve for x
   x = 262,995,334.12/17,784.80
6. Step 6: Final answer
   x = 14,787.65