Finding the Fourth Proportional to 7,046.70, 9,724.32 and 3,902.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,046.70 : 9,724.32 = 3,902.82 : x
2. Step 2: Convert to fraction form
   7,046.70/9,724.32 = 3,902.82/x
3. Step 3: Cross multiply
   7,046.70x = 9,724.32 × 3,902.82
4. Step 4: Simplify right side
   7,046.70x = 37,952,270.58
5. Step 5: Solve for x
   x = 37,952,270.58/7,046.70
6. Step 6: Final answer
   x = 5,385.82