Finding the Fourth Proportional to 7,046.20, 9,723.72 and 3,902.38

Step by Step Solution

1. Step 1: Write the proportion equation
   7,046.20 : 9,723.72 = 3,902.38 : x
2. Step 2: Convert to fraction form
   7,046.20/9,723.72 = 3,902.38/x
3. Step 3: Cross multiply
   7,046.20x = 9,723.72 × 3,902.38
4. Step 4: Simplify right side
   7,046.20x = 37,945,650.45
5. Step 5: Solve for x
   x = 37,945,650.45/7,046.20
6. Step 6: Final answer
   x = 5,385.26