Finding the Fourth Proportional to 17,679.69, 24,398.63 and 9,722.61

Step by Step Solution

1. Step 1: Write the proportion equation
   17,679.69 : 24,398.63 = 9,722.61 : x
2. Step 2: Convert to fraction form
   17,679.69/24,398.63 = 9,722.61/x
3. Step 3: Cross multiply
   17,679.69x = 24,398.63 × 9,722.61
4. Step 4: Simplify right side
   17,679.69x = 237,218,364.02
5. Step 5: Solve for x
   x = 237,218,364.02/17,679.69
6. Step 6: Final answer
   x = 13,417.56