Finding the Fourth Proportional to 1,786.89, 2,466.27 and 1,088.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,786.89 : 2,466.27 = 1,088.40 : x
2. Step 2: Convert to fraction form
   1,786.89/2,466.27 = 1,088.40/x
3. Step 3: Cross multiply
   1,786.89x = 2,466.27 × 1,088.40
4. Step 4: Simplify right side
   1,786.89x = 2,684,288.27
5. Step 5: Solve for x
   x = 2,684,288.27/1,786.89
6. Step 6: Final answer
   x = 1,502.21