Finding the Fourth Proportional to 9,949.91, 13,731.98 and 5,474.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,949.91 : 13,731.98 = 5,474.03 : x
2. Step 2: Convert to fraction form
   9,949.91/13,731.98 = 5,474.03/x
3. Step 3: Cross multiply
   9,949.91x = 13,731.98 × 5,474.03
4. Step 4: Simplify right side
   9,949.91x = 75,169,174.45
5. Step 5: Solve for x
   x = 75,169,174.45/9,949.91
6. Step 6: Final answer
   x = 7,554.76