Finding the Fourth Proportional to 5,500.09, 7,590.27 and 3,142.99

Step by Step Solution

1. Step 1: Write the proportion equation
   5,500.09 : 7,590.27 = 3,142.99 : x
2. Step 2: Convert to fraction form
   5,500.09/7,590.27 = 3,142.99/x
3. Step 3: Cross multiply
   5,500.09x = 7,590.27 × 3,142.99
4. Step 4: Simplify right side
   5,500.09x = 23,856,142.71
5. Step 5: Solve for x
   x = 23,856,142.71/5,500.09
6. Step 6: Final answer
   x = 4,337.41