Finding the Fourth Proportional to 2,551.02, 3,825.72 and 1,089.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.02 : 3,825.72 = 1,089.36 : x
2. Step 2: Convert to fraction form
   2,551.02/3,825.72 = 1,089.36/x
3. Step 3: Cross multiply
   2,551.02x = 3,825.72 × 1,089.36
4. Step 4: Simplify right side
   2,551.02x = 4,167,586.34
5. Step 5: Solve for x
   x = 4,167,586.34/2,551.02
6. Step 6: Final answer
   x = 1,633.69