Finding the Fourth Proportional to 5,500.46, 7,590.56 and 3,142.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,500.46 : 7,590.56 = 3,142.55 : x
2. Step 2: Convert to fraction form
   5,500.46/7,590.56 = 3,142.55/x
3. Step 3: Cross multiply
   5,500.46x = 7,590.56 × 3,142.55
4. Step 4: Simplify right side
   5,500.46x = 23,853,660.66
5. Step 5: Solve for x
   x = 23,853,660.66/5,500.46
6. Step 6: Final answer
   x = 4,336.67