Finding the Fourth Proportional to 2,554.34, 3,828.26 and 2,526.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.34 : 3,828.26 = 2,526.80 : x
2. Step 2: Convert to fraction form
   2,554.34/3,828.26 = 2,526.80/x
3. Step 3: Cross multiply
   2,554.34x = 3,828.26 × 2,526.80
4. Step 4: Simplify right side
   2,554.34x = 9,673,234.54
5. Step 5: Solve for x
   x = 9,673,234.54/2,554.34
6. Step 6: Final answer
   x = 3,786.99