Finding the Fourth Proportional to 14,105.38, 19,465.15 and 7,731.99

Step by Step Solution

1. Step 1: Write the proportion equation
   14,105.38 : 19,465.15 = 7,731.99 : x
2. Step 2: Convert to fraction form
   14,105.38/19,465.15 = 7,731.99/x
3. Step 3: Cross multiply
   14,105.38x = 19,465.15 × 7,731.99
4. Step 4: Simplify right side
   14,105.38x = 150,504,318.32
5. Step 5: Solve for x
   x = 150,504,318.32/14,105.38
6. Step 6: Final answer
   x = 10,669.99