Finding the Fourth Proportional to 33,150.48, 45,747.28 and 19,721.52

Step by Step Solution

1. Step 1: Write the proportion equation
   33,150.48 : 45,747.28 = 19,721.52 : x
2. Step 2: Convert to fraction form
   33,150.48/45,747.28 = 19,721.52/x
3. Step 3: Cross multiply
   33,150.48x = 45,747.28 × 19,721.52
4. Step 4: Simplify right side
   33,150.48x = 902,205,897.47
5. Step 5: Solve for x
   x = 902,205,897.47/33,150.48
6. Step 6: Final answer
   x = 27,215.47