Finding the Fourth Proportional to 33,792.69, 50,686.20 and 10,419.33

Step by Step Solution

1. Step 1: Write the proportion equation
   33,792.69 : 50,686.20 = 10,419.33 : x
2. Step 2: Convert to fraction form
   33,792.69/50,686.20 = 10,419.33/x
3. Step 3: Cross multiply
   33,792.69x = 50,686.20 × 10,419.33
4. Step 4: Simplify right side
   33,792.69x = 528,116,244.25
5. Step 5: Solve for x
   x = 528,116,244.25/33,792.69
6. Step 6: Final answer
   x = 15,628.12