Finding the Fourth Proportional to 5,500.67, 7,590.89 and 2,982.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,500.67 : 7,590.89 = 2,982.78 : x
2. Step 2: Convert to fraction form
   5,500.67/7,590.89 = 2,982.78/x
3. Step 3: Cross multiply
   5,500.67x = 7,590.89 × 2,982.78
4. Step 4: Simplify right side
   5,500.67x = 22,641,939.96
5. Step 5: Solve for x
   x = 22,641,939.96/5,500.67
6. Step 6: Final answer
   x = 4,116.22