Finding the Fourth Proportional to 2,587.58, 3,878.18 and 1,199.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587.58 : 3,878.18 = 1,199.04 : x
2. Step 2: Convert to fraction form
   2,587.58/3,878.18 = 1,199.04/x
3. Step 3: Cross multiply
   2,587.58x = 3,878.18 × 1,199.04
4. Step 4: Simplify right side
   2,587.58x = 4,650,073.56
5. Step 5: Solve for x
   x = 4,650,073.56/2,587.58
6. Step 6: Final answer
   x = 1,797.07