Finding the Fourth Proportional to 1,786.77, 2,466.15 and 1,040.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,786.77 : 2,466.15 = 1,040.76 : x
2. Step 2: Convert to fraction form
   1,786.77/2,466.15 = 1,040.76/x
3. Step 3: Cross multiply
   1,786.77x = 2,466.15 × 1,040.76
4. Step 4: Simplify right side
   1,786.77x = 2,566,670.27
5. Step 5: Solve for x
   x = 2,566,670.27/1,786.77
6. Step 6: Final answer
   x = 1,436.49