Finding the Fourth Proportional to 33,158.94, 45,698.43 and 31,054.62

Step by Step Solution

1. Step 1: Write the proportion equation
   33,158.94 : 45,698.43 = 31,054.62 : x
2. Step 2: Convert to fraction form
   33,158.94/45,698.43 = 31,054.62/x
3. Step 3: Cross multiply
   33,158.94x = 45,698.43 × 31,054.62
4. Step 4: Simplify right side
   33,158.94x = 1,419,147,378.25
5. Step 5: Solve for x
   x = 1,419,147,378.25/33,158.94
6. Step 6: Final answer
   x = 42,798.33