Finding the Fourth Proportional to 2,751.50, 4,127.92 and 803.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,751.50 : 4,127.92 = 803.69 : x
2. Step 2: Convert to fraction form
   2,751.50/4,127.92 = 803.69/x
3. Step 3: Cross multiply
   2,751.50x = 4,127.92 × 803.69
4. Step 4: Simplify right side
   2,751.50x = 3,317,545.38
5. Step 5: Solve for x
   x = 3,317,545.38/2,751.50
6. Step 6: Final answer
   x = 1,205.72