Finding the Fourth Proportional to 2,149.08, 3,222.90 and 762.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,149.08 : 3,222.90 = 762.18 : x
2. Step 2: Convert to fraction form
   2,149.08/3,222.90 = 762.18/x
3. Step 3: Cross multiply
   2,149.08x = 3,222.90 × 762.18
4. Step 4: Simplify right side
   2,149.08x = 2,456,429.92
5. Step 5: Solve for x
   x = 2,456,429.92/2,149.08
6. Step 6: Final answer
   x = 1,143.01