Finding the Fourth Proportional to 17,680.01, 24,398.41 and 9,722.77

Step by Step Solution

1. Step 1: Write the proportion equation
   17,680.01 : 24,398.41 = 9,722.77 : x
2. Step 2: Convert to fraction form
   17,680.01/24,398.41 = 9,722.77/x
3. Step 3: Cross multiply
   17,680.01x = 24,398.41 × 9,722.77
4. Step 4: Simplify right side
   17,680.01x = 237,220,128.80
5. Step 5: Solve for x
   x = 237,220,128.80/17,680.01
6. Step 6: Final answer
   x = 13,417.42