Finding the Fourth Proportional to 2,323.48, 3,486.12 and 862.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,323.48 : 3,486.12 = 862.72 : x
2. Step 2: Convert to fraction form
   2,323.48/3,486.12 = 862.72/x
3. Step 3: Cross multiply
   2,323.48x = 3,486.12 × 862.72
4. Step 4: Simplify right side
   2,323.48x = 3,007,545.45
5. Step 5: Solve for x
   x = 3,007,545.45/2,323.48
6. Step 6: Final answer
   x = 1,294.41