Finding the Fourth Proportional to 1,182.72, 1,633.28 and 1,118.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182.72 : 1,633.28 = 1,118.08 : x
2. Step 2: Convert to fraction form
   1,182.72/1,633.28 = 1,118.08/x
3. Step 3: Cross multiply
   1,182.72x = 1,633.28 × 1,118.08
4. Step 4: Simplify right side
   1,182.72x = 1,826,137.70
5. Step 5: Solve for x
   x = 1,826,137.70/1,182.72
6. Step 6: Final answer
   x = 1,544.02