Finding the Fourth Proportional to 12,596.46, 17,377.98 and 7,560.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,596.46 : 17,377.98 = 7,560.78 : x
2. Step 2: Convert to fraction form
   12,596.46/17,377.98 = 7,560.78/x
3. Step 3: Cross multiply
   12,596.46x = 17,377.98 × 7,560.78
4. Step 4: Simplify right side
   12,596.46x = 131,391,083.62
5. Step 5: Solve for x
   x = 131,391,083.62/12,596.46
6. Step 6: Final answer
   x = 10,430.79