Finding the Fourth Proportional to 33,703.43, 50,448.52 and 21,180.12

Step by Step Solution

1. Step 1: Write the proportion equation
   33,703.43 : 50,448.52 = 21,180.12 : x
2. Step 2: Convert to fraction form
   33,703.43/50,448.52 = 21,180.12/x
3. Step 3: Cross multiply
   33,703.43x = 50,448.52 × 21,180.12
4. Step 4: Simplify right side
   33,703.43x = 1,068,505,601.52
5. Step 5: Solve for x
   x = 1,068,505,601.52/33,703.43
6. Step 6: Final answer
   x = 31,703.17