Finding the Fourth Proportional to 2,180.02, 3,269.35 and 718.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180.02 : 3,269.35 = 718.83 : x
2. Step 2: Convert to fraction form
   2,180.02/3,269.35 = 718.83/x
3. Step 3: Cross multiply
   2,180.02x = 3,269.35 × 718.83
4. Step 4: Simplify right side
   2,180.02x = 2,350,106.86
5. Step 5: Solve for x
   x = 2,350,106.86/2,180.02
6. Step 6: Final answer
   x = 1,078.02