Finding the Fourth Proportional to 31,674.85, 47,513.81 and 8,301.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,674.85 : 47,513.81 = 8,301.31 : x
2. Step 2: Convert to fraction form
   31,674.85/47,513.81 = 8,301.31/x
3. Step 3: Cross multiply
   31,674.85x = 47,513.81 × 8,301.31
4. Step 4: Simplify right side
   31,674.85x = 394,426,866.09
5. Step 5: Solve for x
   x = 394,426,866.09/31,674.85
6. Step 6: Final answer
   x = 12,452.37