Finding the Fourth Proportional to 2,487.87, 3,731.89 and 822.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487.87 : 3,731.89 = 822.04 : x
2. Step 2: Convert to fraction form
   2,487.87/3,731.89 = 822.04/x
3. Step 3: Cross multiply
   2,487.87x = 3,731.89 × 822.04
4. Step 4: Simplify right side
   2,487.87x = 3,067,746.25
5. Step 5: Solve for x
   x = 3,067,746.25/2,487.87
6. Step 6: Final answer
   x = 1,233.08