Finding the Fourth Proportional to 2,151.90, 3,227.94 and 1,789.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,151.90 : 3,227.94 = 1,789.25 : x
2. Step 2: Convert to fraction form
   2,151.90/3,227.94 = 1,789.25/x
3. Step 3: Cross multiply
   2,151.90x = 3,227.94 × 1,789.25
4. Step 4: Simplify right side
   2,151.90x = 5,775,575.51
5. Step 5: Solve for x
   x = 5,775,575.51/2,151.90
6. Step 6: Final answer
   x = 2,683.94