Finding the Fourth Proportional to 2,680.95, 4,020.90 and 732.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,680.95 : 4,020.90 = 732.69 : x
2. Step 2: Convert to fraction form
   2,680.95/4,020.90 = 732.69/x
3. Step 3: Cross multiply
   2,680.95x = 4,020.90 × 732.69
4. Step 4: Simplify right side
   2,680.95x = 2,946,073.22
5. Step 5: Solve for x
   x = 2,946,073.22/2,680.95
6. Step 6: Final answer
   x = 1,098.89