Finding the Fourth Proportional to 2,506.38, 3,759.74 and 862.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,506.38 : 3,759.74 = 862.72 : x
2. Step 2: Convert to fraction form
   2,506.38/3,759.74 = 862.72/x
3. Step 3: Cross multiply
   2,506.38x = 3,759.74 × 862.72
4. Step 4: Simplify right side
   2,506.38x = 3,243,592.42
5. Step 5: Solve for x
   x = 3,243,592.42/2,506.38
6. Step 6: Final answer
   x = 1,294.14