Finding the Fourth Proportional to 22,363.92, 30,862.72 and 12,804.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,363.92 : 30,862.72 = 12,804.72 : x
2. Step 2: Convert to fraction form
   22,363.92/30,862.72 = 12,804.72/x
3. Step 3: Cross multiply
   22,363.92x = 30,862.72 × 12,804.72
4. Step 4: Simplify right side
   22,363.92x = 395,188,488.04
5. Step 5: Solve for x
   x = 395,188,488.04/22,363.92
6. Step 6: Final answer
   x = 17,670.81