Finding the Fourth Proportional to 40,185.33, 55,391.70 and 31,674.25

Step by Step Solution

1. Step 1: Write the proportion equation
   40,185.33 : 55,391.70 = 31,674.25 : x
2. Step 2: Convert to fraction form
   40,185.33/55,391.70 = 31,674.25/x
3. Step 3: Cross multiply
   40,185.33x = 55,391.70 × 31,674.25
4. Step 4: Simplify right side
   40,185.33x = 1,754,490,553.73
5. Step 5: Solve for x
   x = 1,754,490,553.73/40,185.33
6. Step 6: Final answer
   x = 43,659.98