Finding the Fourth Proportional to 1,786.37, 2,462.89 and 1,155.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,786.37 : 2,462.89 = 1,155.78 : x
2. Step 2: Convert to fraction form
   1,786.37/2,462.89 = 1,155.78/x
3. Step 3: Cross multiply
   1,786.37x = 2,462.89 × 1,155.78
4. Step 4: Simplify right side
   1,786.37x = 2,846,559.00
5. Step 5: Solve for x
   x = 2,846,559.00/1,786.37
6. Step 6: Final answer
   x = 1,593.49