Finding the Fourth Proportional to 17,680.22, 24,398.76 and 9,722.48

Step by Step Solution

1. Step 1: Write the proportion equation
   17,680.22 : 24,398.76 = 9,722.48 : x
2. Step 2: Convert to fraction form
   17,680.22/24,398.76 = 9,722.48/x
3. Step 3: Cross multiply
   17,680.22x = 24,398.76 × 9,722.48
4. Step 4: Simplify right side
   17,680.22x = 237,216,456.12
5. Step 5: Solve for x
   x = 237,216,456.12/17,680.22
6. Step 6: Final answer
   x = 13,417.05