Finding the Fourth Proportional to 2,938.75, 4,055.39 and 1,788.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,938.75 : 4,055.39 = 1,788.51 : x
2. Step 2: Convert to fraction form
   2,938.75/4,055.39 = 1,788.51/x
3. Step 3: Cross multiply
   2,938.75x = 4,055.39 × 1,788.51
4. Step 4: Simplify right side
   2,938.75x = 7,253,100.30
5. Step 5: Solve for x
   x = 7,253,100.30/2,938.75
6. Step 6: Final answer
   x = 2,468.09