Finding the Fourth Proportional to 22,805.27, 31,470.93 and 12,733.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,805.27 : 31,470.93 = 12,733.86 : x
2. Step 2: Convert to fraction form
   22,805.27/31,470.93 = 12,733.86/x
3. Step 3: Cross multiply
   22,805.27x = 31,470.93 × 12,733.86
4. Step 4: Simplify right side
   22,805.27x = 400,746,416.69
5. Step 5: Solve for x
   x = 400,746,416.69/22,805.27
6. Step 6: Final answer
   x = 17,572.54