Finding the Fourth Proportional to 2,661.16, 3,672.18 and 1,613.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,661.16 : 3,672.18 = 1,613.08 : x
2. Step 2: Convert to fraction form
   2,661.16/3,672.18 = 1,613.08/x
3. Step 3: Cross multiply
   2,661.16x = 3,672.18 × 1,613.08
4. Step 4: Simplify right side
   2,661.16x = 5,923,520.11
5. Step 5: Solve for x
   x = 5,923,520.11/2,661.16
6. Step 6: Final answer
   x = 2,225.92