Finding the Fourth Proportional to 2,008.72, 2,772.03 and 1,124.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,008.72 : 2,772.03 = 1,124.47 : x
2. Step 2: Convert to fraction form
   2,008.72/2,772.03 = 1,124.47/x
3. Step 3: Cross multiply
   2,008.72x = 2,772.03 × 1,124.47
4. Step 4: Simplify right side
   2,008.72x = 3,117,064.57
5. Step 5: Solve for x
   x = 3,117,064.57/2,008.72
6. Step 6: Final answer
   x = 1,551.77