Finding the Fourth Proportional to 3,826.06, 5,730.90 and 1,874.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,826.06 : 5,730.90 = 1,874.20 : x
2. Step 2: Convert to fraction form
   3,826.06/5,730.90 = 1,874.20/x
3. Step 3: Cross multiply
   3,826.06x = 5,730.90 × 1,874.20
4. Step 4: Simplify right side
   3,826.06x = 10,740,852.78
5. Step 5: Solve for x
   x = 10,740,852.78/3,826.06
6. Step 6: Final answer
   x = 2,807.29