Finding the Fourth Proportional to 12,813.83, 17,683.17 and 7,508.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,813.83 : 17,683.17 = 7,508.69 : x
2. Step 2: Convert to fraction form
   12,813.83/17,683.17 = 7,508.69/x
3. Step 3: Cross multiply
   12,813.83x = 17,683.17 × 7,508.69
4. Step 4: Simplify right side
   12,813.83x = 132,777,441.75
5. Step 5: Solve for x
   x = 132,777,441.75/12,813.83
6. Step 6: Final answer
   x = 10,362.04