Finding the Fourth Proportional to 31,300.47, 46,906.83 and 14,620.95

Step by Step Solution

1. Step 1: Write the proportion equation
   31,300.47 : 46,906.83 = 14,620.95 : x
2. Step 2: Convert to fraction form
   31,300.47/46,906.83 = 14,620.95/x
3. Step 3: Cross multiply
   31,300.47x = 46,906.83 × 14,620.95
4. Step 4: Simplify right side
   31,300.47x = 685,822,416.09
5. Step 5: Solve for x
   x = 685,822,416.09/31,300.47
6. Step 6: Final answer
   x = 21,910.93