Finding the Fourth Proportional to 2,008.40, 2,771.42 and 1,124.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,008.40 : 2,771.42 = 1,124.15 : x
2. Step 2: Convert to fraction form
   2,008.40/2,771.42 = 1,124.15/x
3. Step 3: Cross multiply
   2,008.40x = 2,771.42 × 1,124.15
4. Step 4: Simplify right side
   2,008.40x = 3,115,472.32
5. Step 5: Solve for x
   x = 3,115,472.32/2,008.40
6. Step 6: Final answer
   x = 1,551.22