Finding the Fourth Proportional to 2,525.79, 3,786.87 and 1,064.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.79 : 3,786.87 = 1,064.15 : x
2. Step 2: Convert to fraction form
   2,525.79/3,786.87 = 1,064.15/x
3. Step 3: Cross multiply
   2,525.79x = 3,786.87 × 1,064.15
4. Step 4: Simplify right side
   2,525.79x = 4,029,797.71
5. Step 5: Solve for x
   x = 4,029,797.71/2,525.79
6. Step 6: Final answer
   x = 1,595.46