Finding the Fourth Proportional to 12,559.10, 17,333.96 and 8,310.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,559.10 : 17,333.96 = 8,310.24 : x
2. Step 2: Convert to fraction form
   12,559.10/17,333.96 = 8,310.24/x
3. Step 3: Cross multiply
   12,559.10x = 17,333.96 × 8,310.24
4. Step 4: Simplify right side
   12,559.10x = 144,049,326.20
5. Step 5: Solve for x
   x = 144,049,326.20/12,559.10
6. Step 6: Final answer
   x = 11,469.72