Finding the Fourth Proportional to 2,106.27, 3,160.08 and 1,228.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106.27 : 3,160.08 = 1,228.59 : x
2. Step 2: Convert to fraction form
   2,106.27/3,160.08 = 1,228.59/x
3. Step 3: Cross multiply
   2,106.27x = 3,160.08 × 1,228.59
4. Step 4: Simplify right side
   2,106.27x = 3,882,442.69
5. Step 5: Solve for x
   x = 3,882,442.69/2,106.27
6. Step 6: Final answer
   x = 1,843.28