Finding the Fourth Proportional to 12,650.87, 17,465.20 and 7,616.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,650.87 : 17,465.20 = 7,616.34 : x
2. Step 2: Convert to fraction form
   12,650.87/17,465.20 = 7,616.34/x
3. Step 3: Cross multiply
   12,650.87x = 17,465.20 × 7,616.34
4. Step 4: Simplify right side
   12,650.87x = 133,020,882.33
5. Step 5: Solve for x
   x = 133,020,882.33/12,650.87
6. Step 6: Final answer
   x = 10,514.76