Finding the Fourth Proportional to 9,950.68, 13,731.59 and 5,474.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,950.68 : 13,731.59 = 5,474.38 : x
2. Step 2: Convert to fraction form
   9,950.68/13,731.59 = 5,474.38/x
3. Step 3: Cross multiply
   9,950.68x = 13,731.59 × 5,474.38
4. Step 4: Simplify right side
   9,950.68x = 75,171,914.29
5. Step 5: Solve for x
   x = 75,171,914.29/9,950.68
6. Step 6: Final answer
   x = 7,554.45