Finding the Fourth Proportional to 31,796.69, 47,695.94 and 8,423.13

Step by Step Solution

1. Step 1: Write the proportion equation
   31,796.69 : 47,695.94 = 8,423.13 : x
2. Step 2: Convert to fraction form
   31,796.69/47,695.94 = 8,423.13/x
3. Step 3: Cross multiply
   31,796.69x = 47,695.94 × 8,423.13
4. Step 4: Simplify right side
   31,796.69x = 401,749,103.09
5. Step 5: Solve for x
   x = 401,749,103.09/31,796.69
6. Step 6: Final answer
   x = 12,634.93