Finding the Fourth Proportional to 23,404.72, 32,273.97 and 15,436.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,404.72 : 32,273.97 = 15,436.78 : x
2. Step 2: Convert to fraction form
   23,404.72/32,273.97 = 15,436.78/x
3. Step 3: Cross multiply
   23,404.72x = 32,273.97 × 15,436.78
4. Step 4: Simplify right side
   23,404.72x = 498,206,174.62
5. Step 5: Solve for x
   x = 498,206,174.62/23,404.72
6. Step 6: Final answer
   x = 21,286.57