Finding the Fourth Proportional to 2,826.15, 3,900.03 and 1,550.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,826.15 : 3,900.03 = 1,550.02 : x
2. Step 2: Convert to fraction form
   2,826.15/3,900.03 = 1,550.02/x
3. Step 3: Cross multiply
   2,826.15x = 3,900.03 × 1,550.02
4. Step 4: Simplify right side
   2,826.15x = 6,045,124.50
5. Step 5: Solve for x
   x = 6,045,124.50/2,826.15
6. Step 6: Final answer
   x = 2,139.00