Finding the Fourth Proportional to 5,105.50, 7,042.86 and 3,424.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,105.50 : 7,042.86 = 3,424.02 : x
2. Step 2: Convert to fraction form
   5,105.50/7,042.86 = 3,424.02/x
3. Step 3: Cross multiply
   5,105.50x = 7,042.86 × 3,424.02
4. Step 4: Simplify right side
   5,105.50x = 24,114,893.50
5. Step 5: Solve for x
   x = 24,114,893.50/5,105.50
6. Step 6: Final answer
   x = 4,723.32