Finding the Fourth Proportional to 31,086.50, 46,634.91 and 12,366.71

Step by Step Solution

1. Step 1: Write the proportion equation
   31,086.50 : 46,634.91 = 12,366.71 : x
2. Step 2: Convert to fraction form
   31,086.50/46,634.91 = 12,366.71/x
3. Step 3: Cross multiply
   31,086.50x = 46,634.91 × 12,366.71
4. Step 4: Simplify right side
   31,086.50x = 576,720,346.01
5. Step 5: Solve for x
   x = 576,720,346.01/31,086.50
6. Step 6: Final answer
   x = 18,552.12