Finding the Fourth Proportional to 33,144.78, 49,709.43 and 21,262.62

Step by Step Solution

1. Step 1: Write the proportion equation
   33,144.78 : 49,709.43 = 21,262.62 : x
2. Step 2: Convert to fraction form
   33,144.78/49,709.43 = 21,262.62/x
3. Step 3: Cross multiply
   33,144.78x = 49,709.43 × 21,262.62
4. Step 4: Simplify right side
   33,144.78x = 1,056,952,720.51
5. Step 5: Solve for x
   x = 1,056,952,720.51/33,144.78
6. Step 6: Final answer
   x = 31,888.96