Finding the Fourth Proportional to 31,227.28, 46,830.34 and 10,162.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,227.28 : 46,830.34 = 10,162.12 : x
2. Step 2: Convert to fraction form
   31,227.28/46,830.34 = 10,162.12/x
3. Step 3: Cross multiply
   31,227.28x = 46,830.34 × 10,162.12
4. Step 4: Simplify right side
   31,227.28x = 475,895,534.72
5. Step 5: Solve for x
   x = 475,895,534.72/31,227.28
6. Step 6: Final answer
   x = 15,239.74