Finding the Fourth Proportional to 3,826.16, 5,737.98 and 1,228.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,826.16 : 5,737.98 = 1,228.46 : x
2. Step 2: Convert to fraction form
   3,826.16/5,737.98 = 1,228.46/x
3. Step 3: Cross multiply
   3,826.16x = 5,737.98 × 1,228.46
4. Step 4: Simplify right side
   3,826.16x = 7,048,878.91
5. Step 5: Solve for x
   x = 7,048,878.91/3,826.16
6. Step 6: Final answer
   x = 1,842.29