Finding the Fourth Proportional to 33,661.88, 50,507.39 and 18,061.28

Step by Step Solution

1. Step 1: Write the proportion equation
   33,661.88 : 50,507.39 = 18,061.28 : x
2. Step 2: Convert to fraction form
   33,661.88/50,507.39 = 18,061.28/x
3. Step 3: Cross multiply
   33,661.88x = 50,507.39 × 18,061.28
4. Step 4: Simplify right side
   33,661.88x = 912,227,860.32
5. Step 5: Solve for x
   x = 912,227,860.32/33,661.88
6. Step 6: Final answer
   x = 27,099.73