Finding the Fourth Proportional to 2,788.89, 4,185.50 and 1,250.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,788.89 : 4,185.50 = 1,250.97 : x
2. Step 2: Convert to fraction form
   2,788.89/4,185.50 = 1,250.97/x
3. Step 3: Cross multiply
   2,788.89x = 4,185.50 × 1,250.97
4. Step 4: Simplify right side
   2,788.89x = 5,235,928.68
5. Step 5: Solve for x
   x = 5,235,928.68/2,788.89
6. Step 6: Final answer
   x = 1,877.42