Finding the Fourth Proportional to 2,128.33, 3,177.23 and 1,851.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.33 : 3,177.23 = 1,851.49 : x
2. Step 2: Convert to fraction form
   2,128.33/3,177.23 = 1,851.49/x
3. Step 3: Cross multiply
   2,128.33x = 3,177.23 × 1,851.49
4. Step 4: Simplify right side
   2,128.33x = 5,882,609.57
5. Step 5: Solve for x
   x = 5,882,609.57/2,128.33
6. Step 6: Final answer
   x = 2,763.96