Finding the Fourth Proportional to 5,623.39, 7,760.23 and 3,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,623.39 : 7,760.23 = 3,105.50 : x
2. Step 2: Convert to fraction form
   5,623.39/7,760.23 = 3,105.50/x
3. Step 3: Cross multiply
   5,623.39x = 7,760.23 × 3,105.50
4. Step 4: Simplify right side
   5,623.39x = 24,099,394.27
5. Step 5: Solve for x
   x = 24,099,394.27/5,623.39
6. Step 6: Final answer
   x = 4,285.56