Finding the Fourth Proportional to 12,683.10, 17,502.24 and 7,017.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,683.10 : 17,502.24 = 7,017.76 : x
2. Step 2: Convert to fraction form
   12,683.10/17,502.24 = 7,017.76/x
3. Step 3: Cross multiply
   12,683.10x = 17,502.24 × 7,017.76
4. Step 4: Simplify right side
   12,683.10x = 122,826,519.78
5. Step 5: Solve for x
   x = 122,826,519.78/12,683.10
6. Step 6: Final answer
   x = 9,684.27