Finding the Fourth Proportional to 2,613.06, 3,914.55 and 2,322.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.06 : 3,914.55 = 2,322.18 : x
2. Step 2: Convert to fraction form
   2,613.06/3,914.55 = 2,322.18/x
3. Step 3: Cross multiply
   2,613.06x = 3,914.55 × 2,322.18
4. Step 4: Simplify right side
   2,613.06x = 9,090,289.72
5. Step 5: Solve for x
   x = 9,090,289.72/2,613.06
6. Step 6: Final answer
   x = 3,478.79