Finding the Fourth Proportional to 2,651.24, 3,974.42 and 1,263.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651.24 : 3,974.42 = 1,263.72 : x
2. Step 2: Convert to fraction form
   2,651.24/3,974.42 = 1,263.72/x
3. Step 3: Cross multiply
   2,651.24x = 3,974.42 × 1,263.72
4. Step 4: Simplify right side
   2,651.24x = 5,022,554.04
5. Step 5: Solve for x
   x = 5,022,554.04/2,651.24
6. Step 6: Final answer
   x = 1,894.42