Finding the Fourth Proportional to 31,168.06, 46,717.36 and 12,443.29

Step by Step Solution

1. Step 1: Write the proportion equation
   31,168.06 : 46,717.36 = 12,443.29 : x
2. Step 2: Convert to fraction form
   31,168.06/46,717.36 = 12,443.29/x
3. Step 3: Cross multiply
   31,168.06x = 46,717.36 × 12,443.29
4. Step 4: Simplify right side
   31,168.06x = 581,317,510.61
5. Step 5: Solve for x
   x = 581,317,510.61/31,168.06
6. Step 6: Final answer
   x = 18,651.07