Finding the Fourth Proportional to 2,613.04, 3,899.24 and 2,380.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.04 : 3,899.24 = 2,380.18 : x
2. Step 2: Convert to fraction form
   2,613.04/3,899.24 = 2,380.18/x
3. Step 3: Cross multiply
   2,613.04x = 3,899.24 × 2,380.18
4. Step 4: Simplify right side
   2,613.04x = 9,280,893.06
5. Step 5: Solve for x
   x = 9,280,893.06/2,613.04
6. Step 6: Final answer
   x = 3,551.76