Finding the Fourth Proportional to 2,149.91, 2,965.81 and 1,354.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,149.91 : 2,965.81 = 1,354.22 : x
2. Step 2: Convert to fraction form
   2,149.91/2,965.81 = 1,354.22/x
3. Step 3: Cross multiply
   2,149.91x = 2,965.81 × 1,354.22
4. Step 4: Simplify right side
   2,149.91x = 4,016,359.22
5. Step 5: Solve for x
   x = 4,016,359.22/2,149.91
6. Step 6: Final answer
   x = 1,868.15