Finding the Fourth Proportional to 17,689.86, 24,412.32 and 9,732.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,689.86 : 24,412.32 = 9,732.78 : x
2. Step 2: Convert to fraction form
   17,689.86/24,412.32 = 9,732.78/x
3. Step 3: Cross multiply
   17,689.86x = 24,412.32 × 9,732.78
4. Step 4: Simplify right side
   17,689.86x = 237,599,739.85
5. Step 5: Solve for x
   x = 237,599,739.85/17,689.86
6. Step 6: Final answer
   x = 13,431.41