Finding the Fourth Proportional to 17,680.03, 24,399.50 and 9,722.86

Step by Step Solution

1. Step 1: Write the proportion equation
   17,680.03 : 24,399.50 = 9,722.86 : x
2. Step 2: Convert to fraction form
   17,680.03/24,399.50 = 9,722.86/x
3. Step 3: Cross multiply
   17,680.03x = 24,399.50 × 9,722.86
4. Step 4: Simplify right side
   17,680.03x = 237,232,751.96
5. Step 5: Solve for x
   x = 237,232,751.96/17,680.03
6. Step 6: Final answer
   x = 13,418.12