Finding the Fourth Proportional to 40,185.83, 55,392.39 and 31,674.75

Step by Step Solution

1. Step 1: Write the proportion equation
   40,185.83 : 55,392.39 = 31,674.75 : x
2. Step 2: Convert to fraction form
   40,185.83/55,392.39 = 31,674.75/x
3. Step 3: Cross multiply
   40,185.83x = 55,392.39 × 31,674.75
4. Step 4: Simplify right side
   40,185.83x = 1,754,540,105.15
5. Step 5: Solve for x
   x = 1,754,540,105.15/40,185.83
6. Step 6: Final answer
   x = 43,660.67