Finding the Fourth Proportional to 2,877.27, 4,317.15 and 1,123.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,877.27 : 4,317.15 = 1,123.52 : x
2. Step 2: Convert to fraction form
   2,877.27/4,317.15 = 1,123.52/x
3. Step 3: Cross multiply
   2,877.27x = 4,317.15 × 1,123.52
4. Step 4: Simplify right side
   2,877.27x = 4,850,404.96
5. Step 5: Solve for x
   x = 4,850,404.96/2,877.27
6. Step 6: Final answer
   x = 1,685.77