Finding the Fourth Proportional to 2,444.27, 3,664.46 and 1,128.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,444.27 : 3,664.46 = 1,128.87 : x
2. Step 2: Convert to fraction form
   2,444.27/3,664.46 = 1,128.87/x
3. Step 3: Cross multiply
   2,444.27x = 3,664.46 × 1,128.87
4. Step 4: Simplify right side
   2,444.27x = 4,136,701.78
5. Step 5: Solve for x
   x = 4,136,701.78/2,444.27
6. Step 6: Final answer
   x = 1,692.41