Finding the Fourth Proportional to 2,550.34, 3,825.91 and 1,089.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.34 : 3,825.91 = 1,089.50 : x
2. Step 2: Convert to fraction form
   2,550.34/3,825.91 = 1,089.50/x
3. Step 3: Cross multiply
   2,550.34x = 3,825.91 × 1,089.50
4. Step 4: Simplify right side
   2,550.34x = 4,168,328.95
5. Step 5: Solve for x
   x = 4,168,328.95/2,550.34
6. Step 6: Final answer
   x = 1,634.42