Finding the Fourth Proportional to 17,645.72, 24,350.32 and 9,688.07

Step by Step Solution

1. Step 1: Write the proportion equation
   17,645.72 : 24,350.32 = 9,688.07 : x
2. Step 2: Convert to fraction form
   17,645.72/24,350.32 = 9,688.07/x
3. Step 3: Cross multiply
   17,645.72x = 24,350.32 × 9,688.07
4. Step 4: Simplify right side
   17,645.72x = 235,907,677.67
5. Step 5: Solve for x
   x = 235,907,677.67/17,645.72
6. Step 6: Final answer
   x = 13,369.12