Finding the Fourth Proportional to 2,525.88, 3,788.72 and 676.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.88 : 3,788.72 = 676.96 : x
2. Step 2: Convert to fraction form
   2,525.88/3,788.72 = 676.96/x
3. Step 3: Cross multiply
   2,525.88x = 3,788.72 × 676.96
4. Step 4: Simplify right side
   2,525.88x = 2,564,811.89
5. Step 5: Solve for x
   x = 2,564,811.89/2,525.88
6. Step 6: Final answer
   x = 1,015.41