Finding the Fourth Proportional to 33,401.67, 46,072.13 and 21,480.09

Step by Step Solution

1. Step 1: Write the proportion equation
   33,401.67 : 46,072.13 = 21,480.09 : x
2. Step 2: Convert to fraction form
   33,401.67/46,072.13 = 21,480.09/x
3. Step 3: Cross multiply
   33,401.67x = 46,072.13 × 21,480.09
4. Step 4: Simplify right side
   33,401.67x = 989,633,391.49
5. Step 5: Solve for x
   x = 989,633,391.49/33,401.67
6. Step 6: Final answer
   x = 29,628.26