Finding the Fourth Proportional to 3,868.02, 5,810.94 and 2,228.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,868.02 : 5,810.94 = 2,228.58 : x
2. Step 2: Convert to fraction form
   3,868.02/5,810.94 = 2,228.58/x
3. Step 3: Cross multiply
   3,868.02x = 5,810.94 × 2,228.58
4. Step 4: Simplify right side
   3,868.02x = 12,950,144.67
5. Step 5: Solve for x
   x = 12,950,144.67/3,868.02
6. Step 6: Final answer
   x = 3,348.00