Finding the Fourth Proportional to 2,613.12, 3,918.47 and 1,517.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.12 : 3,918.47 = 1,517.82 : x
2. Step 2: Convert to fraction form
   2,613.12/3,918.47 = 1,517.82/x
3. Step 3: Cross multiply
   2,613.12x = 3,918.47 × 1,517.82
4. Step 4: Simplify right side
   2,613.12x = 5,947,524.55
5. Step 5: Solve for x
   x = 5,947,524.55/2,613.12
6. Step 6: Final answer
   x = 2,276.02