Finding the Fourth Proportional to 2,652.18, 3,976.83 and 1,091.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,652.18 : 3,976.83 = 1,091.71 : x
2. Step 2: Convert to fraction form
   2,652.18/3,976.83 = 1,091.71/x
3. Step 3: Cross multiply
   2,652.18x = 3,976.83 × 1,091.71
4. Step 4: Simplify right side
   2,652.18x = 4,341,550.05
5. Step 5: Solve for x
   x = 4,341,550.05/2,652.18
6. Step 6: Final answer
   x = 1,636.98