Finding the Fourth Proportional to 17,683.77, 24,403.68 and 9,726.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,683.77 : 24,403.68 = 9,726.50 : x
2. Step 2: Convert to fraction form
   17,683.77/24,403.68 = 9,726.50/x
3. Step 3: Cross multiply
   17,683.77x = 24,403.68 × 9,726.50
4. Step 4: Simplify right side
   17,683.77x = 237,362,454.53
5. Step 5: Solve for x
   x = 237,362,454.53/17,683.77
6. Step 6: Final answer
   x = 13,422.61