Finding the Fourth Proportional to 17,680.74, 24,399.05 and 9,722.82

Step by Step Solution

1. Step 1: Write the proportion equation
   17,680.74 : 24,399.05 = 9,722.82 : x
2. Step 2: Convert to fraction form
   17,680.74/24,399.05 = 9,722.82/x
3. Step 3: Cross multiply
   17,680.74x = 24,399.05 × 9,722.82
4. Step 4: Simplify right side
   17,680.74x = 237,227,571.32
5. Step 5: Solve for x
   x = 237,227,571.32/17,680.74
6. Step 6: Final answer
   x = 13,417.29