Finding the Fourth Proportional to 1,788.54, 2,466.27 and 1,089.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788.54 : 2,466.27 = 1,089.42 : x
2. Step 2: Convert to fraction form
   1,788.54/2,466.27 = 1,089.42/x
3. Step 3: Cross multiply
   1,788.54x = 2,466.27 × 1,089.42
4. Step 4: Simplify right side
   1,788.54x = 2,686,803.86
5. Step 5: Solve for x
   x = 2,686,803.86/1,788.54
6. Step 6: Final answer
   x = 1,502.23