Finding the Fourth Proportional to 17,039.53, 23,515.10 and 9,383.61

Step by Step Solution

1. Step 1: Write the proportion equation
   17,039.53 : 23,515.10 = 9,383.61 : x
2. Step 2: Convert to fraction form
   17,039.53/23,515.10 = 9,383.61/x
3. Step 3: Cross multiply
   17,039.53x = 23,515.10 × 9,383.61
4. Step 4: Simplify right side
   17,039.53x = 220,656,656.75
5. Step 5: Solve for x
   x = 220,656,656.75/17,039.53
6. Step 6: Final answer
   x = 12,949.69