Finding the Fourth Proportional to 2,877.82, 4,317.41 and 1,028.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,877.82 : 4,317.41 = 1,028.79 : x
2. Step 2: Convert to fraction form
   2,877.82/4,317.41 = 1,028.79/x
3. Step 3: Cross multiply
   2,877.82x = 4,317.41 × 1,028.79
4. Step 4: Simplify right side
   2,877.82x = 4,441,710.81
5. Step 5: Solve for x
   x = 4,441,710.81/2,877.82
6. Step 6: Final answer
   x = 1,543.43