Finding the Fourth Proportional to 3,826.31, 5,280.30 and 2,234.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,826.31 : 5,280.30 = 2,234.05 : x
2. Step 2: Convert to fraction form
   3,826.31/5,280.30 = 2,234.05/x
3. Step 3: Cross multiply
   3,826.31x = 5,280.30 × 2,234.05
4. Step 4: Simplify right side
   3,826.31x = 11,796,441.01
5. Step 5: Solve for x
   x = 11,796,441.01/3,826.31
6. Step 6: Final answer
   x = 3,082.99