Finding the Fourth Proportional to 10,510.83, 15,765.79 and 2,613.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,510.83 : 15,765.79 = 2,613.18 : x
2. Step 2: Convert to fraction form
   10,510.83/15,765.79 = 2,613.18/x
3. Step 3: Cross multiply
   10,510.83x = 15,765.79 × 2,613.18
4. Step 4: Simplify right side
   10,510.83x = 41,198,755.22
5. Step 5: Solve for x
   x = 41,198,755.22/10,510.83
6. Step 6: Final answer
   x = 3,919.65