Finding the Fourth Proportional to 5,500.62, 7,590.72 and 3,142.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,500.62 : 7,590.72 = 3,142.56 : x
2. Step 2: Convert to fraction form
   5,500.62/7,590.72 = 3,142.56/x
3. Step 3: Cross multiply
   5,500.62x = 7,590.72 × 3,142.56
4. Step 4: Simplify right side
   5,500.62x = 23,854,293.04
5. Step 5: Solve for x
   x = 23,854,293.04/5,500.62
6. Step 6: Final answer
   x = 4,336.66