Finding the Fourth Proportional to 2,525.86, 3,788.89 and 677.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.86 : 3,788.89 = 677.14 : x
2. Step 2: Convert to fraction form
   2,525.86/3,788.89 = 677.14/x
3. Step 3: Cross multiply
   2,525.86x = 3,788.89 × 677.14
4. Step 4: Simplify right side
   2,525.86x = 2,565,597.81
5. Step 5: Solve for x
   x = 2,565,597.81/2,525.86
6. Step 6: Final answer
   x = 1,015.73