Finding the Fourth Proportional to 7,046.52, 9,724.16 and 3,902.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,046.52 : 9,724.16 = 3,902.72 : x
2. Step 2: Convert to fraction form
   7,046.52/9,724.16 = 3,902.72/x
3. Step 3: Cross multiply
   7,046.52x = 9,724.16 × 3,902.72
4. Step 4: Simplify right side
   7,046.52x = 37,950,673.72
5. Step 5: Solve for x
   x = 37,950,673.72/7,046.52
6. Step 6: Final answer
   x = 5,385.73