Finding the Fourth Proportional to 2,587.28, 3,879.50 and 2,037.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587.28 : 3,879.50 = 2,037.83 : x
2. Step 2: Convert to fraction form
   2,587.28/3,879.50 = 2,037.83/x
3. Step 3: Cross multiply
   2,587.28x = 3,879.50 × 2,037.83
4. Step 4: Simplify right side
   2,587.28x = 7,905,731.90
5. Step 5: Solve for x
   x = 7,905,731.90/2,587.28
6. Step 6: Final answer
   x = 3,055.62