Finding the Fourth Proportional to 33,669.90, 50,450.18 and 21,167.55

Step by Step Solution

1. Step 1: Write the proportion equation
   33,669.90 : 50,450.18 = 21,167.55 : x
2. Step 2: Convert to fraction form
   33,669.90/50,450.18 = 21,167.55/x
3. Step 3: Cross multiply
   33,669.90x = 50,450.18 × 21,167.55
4. Step 4: Simplify right side
   33,669.90x = 1,067,906,601.82
5. Step 5: Solve for x
   x = 1,067,906,601.82/33,669.90
6. Step 6: Final answer
   x = 31,716.95