Finding the Fourth Proportional to 17,680.13, 24,398.58 and 9,722.89

Step by Step Solution

1. Step 1: Write the proportion equation
   17,680.13 : 24,398.58 = 9,722.89 : x
2. Step 2: Convert to fraction form
   17,680.13/24,398.58 = 9,722.89/x
3. Step 3: Cross multiply
   17,680.13x = 24,398.58 × 9,722.89
4. Step 4: Simplify right side
   17,680.13x = 237,224,709.50
5. Step 5: Solve for x
   x = 237,224,709.50/17,680.13
6. Step 6: Final answer
   x = 13,417.59