Finding the Fourth Proportional to 9,698.10, 13,383.99 and 5,449.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,698.10 : 13,383.99 = 5,449.38 : x
2. Step 2: Convert to fraction form
   9,698.10/13,383.99 = 5,449.38/x
3. Step 3: Cross multiply
   9,698.10x = 13,383.99 × 5,449.38
4. Step 4: Simplify right side
   9,698.10x = 72,934,447.43
5. Step 5: Solve for x
   x = 72,934,447.43/9,698.10
6. Step 6: Final answer
   x = 7,520.49