Finding the Fourth Proportional to 5,500.84, 7,590.36 and 3,142.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,500.84 : 7,590.36 = 3,142.12 : x
2. Step 2: Convert to fraction form
   5,500.84/7,590.36 = 3,142.12/x
3. Step 3: Cross multiply
   5,500.84x = 7,590.36 × 3,142.12
4. Step 4: Simplify right side
   5,500.84x = 23,849,821.96
5. Step 5: Solve for x
   x = 23,849,821.96/5,500.84
6. Step 6: Final answer
   x = 4,335.67