Finding the Fourth Proportional to 22,804.69, 31,470.16 and 12,733.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,804.69 : 31,470.16 = 12,733.30 : x
2. Step 2: Convert to fraction form
   22,804.69/31,470.16 = 12,733.30/x
3. Step 3: Cross multiply
   22,804.69x = 31,470.16 × 12,733.30
4. Step 4: Simplify right side
   22,804.69x = 400,718,830.98
5. Step 5: Solve for x
   x = 400,718,830.98/22,804.69
6. Step 6: Final answer
   x = 17,571.78