Finding the Fourth Proportional to 7,046.30, 9,723.89 and 3,902.49

Step by Step Solution

1. Step 1: Write the proportion equation
   7,046.30 : 9,723.89 = 3,902.49 : x
2. Step 2: Convert to fraction form
   7,046.30/9,723.89 = 3,902.49/x
3. Step 3: Cross multiply
   7,046.30x = 9,723.89 × 3,902.49
4. Step 4: Simplify right side
   7,046.30x = 37,947,393.24
5. Step 5: Solve for x
   x = 37,947,393.24/7,046.30
6. Step 6: Final answer
   x = 5,385.43