Finding the Fourth Proportional to 33,354.72, 45,836.88 and 31,812.80

Step by Step Solution

1. Step 1: Write the proportion equation
   33,354.72 : 45,836.88 = 31,812.80 : x
2. Step 2: Convert to fraction form
   33,354.72/45,836.88 = 31,812.80/x
3. Step 3: Cross multiply
   33,354.72x = 45,836.88 × 31,812.80
4. Step 4: Simplify right side
   33,354.72x = 1,458,199,496.06
5. Step 5: Solve for x
   x = 1,458,199,496.06/33,354.72
6. Step 6: Final answer
   x = 43,717.94