Finding the Fourth Proportional to 2,582.75, 3,873.51 and 916.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,582.75 : 3,873.51 = 916.73 : x
2. Step 2: Convert to fraction form
   2,582.75/3,873.51 = 916.73/x
3. Step 3: Cross multiply
   2,582.75x = 3,873.51 × 916.73
4. Step 4: Simplify right side
   2,582.75x = 3,550,962.82
5. Step 5: Solve for x
   x = 3,550,962.82/2,582.75
6. Step 6: Final answer
   x = 1,374.88