Finding the Fourth Proportional to 2,008.61, 2,771.80 and 1,124.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,008.61 : 2,771.80 = 1,124.39 : x
2. Step 2: Convert to fraction form
   2,008.61/2,771.80 = 1,124.39/x
3. Step 3: Cross multiply
   2,008.61x = 2,771.80 × 1,124.39
4. Step 4: Simplify right side
   2,008.61x = 3,116,588.32
5. Step 5: Solve for x
   x = 3,116,588.32/2,008.61
6. Step 6: Final answer
   x = 1,551.62