Finding the Fourth Proportional to 2,155.91, 3,235.26 and 1,182.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155.91 : 3,235.26 = 1,182.69 : x
2. Step 2: Convert to fraction form
   2,155.91/3,235.26 = 1,182.69/x
3. Step 3: Cross multiply
   2,155.91x = 3,235.26 × 1,182.69
4. Step 4: Simplify right side
   2,155.91x = 3,826,309.65
5. Step 5: Solve for x
   x = 3,826,309.65/2,155.91
6. Step 6: Final answer
   x = 1,774.80