Finding the Fourth Proportional to 2,152.02, 3,229.89 and 1,228.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.02 : 3,229.89 = 1,228.02 : x
2. Step 2: Convert to fraction form
   2,152.02/3,229.89 = 1,228.02/x
3. Step 3: Cross multiply
   2,152.02x = 3,229.89 × 1,228.02
4. Step 4: Simplify right side
   2,152.02x = 3,966,369.52
5. Step 5: Solve for x
   x = 3,966,369.52/2,152.02
6. Step 6: Final answer
   x = 1,843.09