Finding the Fourth Proportional to 33,172.88, 45,745.98 and 28,150.88

Step by Step Solution

1. Step 1: Write the proportion equation
   33,172.88 : 45,745.98 = 28,150.88 : x
2. Step 2: Convert to fraction form
   33,172.88/45,745.98 = 28,150.88/x
3. Step 3: Cross multiply
   33,172.88x = 45,745.98 × 28,150.88
4. Step 4: Simplify right side
   33,172.88x = 1,287,789,593.46
5. Step 5: Solve for x
   x = 1,287,789,593.46/33,172.88
6. Step 6: Final answer
   x = 38,820.55