Finding the Fourth Proportional to 33,153.99, 49,721.72 and 13,154.48

Step by Step Solution

1. Step 1: Write the proportion equation
   33,153.99 : 49,721.72 = 13,154.48 : x
2. Step 2: Convert to fraction form
   33,153.99/49,721.72 = 13,154.48/x
3. Step 3: Cross multiply
   33,153.99x = 49,721.72 × 13,154.48
4. Step 4: Simplify right side
   33,153.99x = 654,063,243.38
5. Step 5: Solve for x
   x = 654,063,243.38/33,153.99
6. Step 6: Final answer
   x = 19,728.04