Finding the Fourth Proportional to 2,771.41, 4,155.89 and 1,038.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,771.41 : 4,155.89 = 1,038.82 : x
2. Step 2: Convert to fraction form
   2,771.41/4,155.89 = 1,038.82/x
3. Step 3: Cross multiply
   2,771.41x = 4,155.89 × 1,038.82
4. Step 4: Simplify right side
   2,771.41x = 4,317,195.68
5. Step 5: Solve for x
   x = 4,317,195.68/2,771.41
6. Step 6: Final answer
   x = 1,557.76