Finding the Fourth Proportional to 33,781.50, 46,629.41 and 21,206.25

Step by Step Solution

1. Step 1: Write the proportion equation
   33,781.50 : 46,629.41 = 21,206.25 : x
2. Step 2: Convert to fraction form
   33,781.50/46,629.41 = 21,206.25/x
3. Step 3: Cross multiply
   33,781.50x = 46,629.41 × 21,206.25
4. Step 4: Simplify right side
   33,781.50x = 988,834,819.78
5. Step 5: Solve for x
   x = 988,834,819.78/33,781.50
6. Step 6: Final answer
   x = 29,271.49