Finding the Fourth Proportional to 33,142.95, 49,797.47 and 31,150.05

Step by Step Solution

1. Step 1: Write the proportion equation
   33,142.95 : 49,797.47 = 31,150.05 : x
2. Step 2: Convert to fraction form
   33,142.95/49,797.47 = 31,150.05/x
3. Step 3: Cross multiply
   33,142.95x = 49,797.47 × 31,150.05
4. Step 4: Simplify right side
   33,142.95x = 1,551,193,524.62
5. Step 5: Solve for x
   x = 1,551,193,524.62/33,142.95
6. Step 6: Final answer
   x = 46,803.12