Finding the Fourth Proportional to 10,744.33, 16,141.20 and 7,631.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,744.33 : 16,141.20 = 7,631.91 : x
2. Step 2: Convert to fraction form
   10,744.33/16,141.20 = 7,631.91/x
3. Step 3: Cross multiply
   10,744.33x = 16,141.20 × 7,631.91
4. Step 4: Simplify right side
   10,744.33x = 123,188,185.69
5. Step 5: Solve for x
   x = 123,188,185.69/10,744.33
6. Step 6: Final answer
   x = 11,465.41