Finding the Fourth Proportional to 31,111.12, 46,640.24 and 14,480.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,111.12 : 46,640.24 = 14,480.82 : x
2. Step 2: Convert to fraction form
   31,111.12/46,640.24 = 14,480.82/x
3. Step 3: Cross multiply
   31,111.12x = 46,640.24 × 14,480.82
4. Step 4: Simplify right side
   31,111.12x = 675,388,920.20
5. Step 5: Solve for x
   x = 675,388,920.20/31,111.12
6. Step 6: Final answer
   x = 21,708.92