Finding the Fourth Proportional to 2,525.91, 3,786.42 and 1,226.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.91 : 3,786.42 = 1,226.67 : x
2. Step 2: Convert to fraction form
   2,525.91/3,786.42 = 1,226.67/x
3. Step 3: Cross multiply
   2,525.91x = 3,786.42 × 1,226.67
4. Step 4: Simplify right side
   2,525.91x = 4,644,687.82
5. Step 5: Solve for x
   x = 4,644,687.82/2,525.91
6. Step 6: Final answer
   x = 1,838.82