Finding the Fourth Proportional to 22,194.72, 30,635.28 and 12,769.92

Step by Step Solution

1. Step 1: Write the proportion equation
   22,194.72 : 30,635.28 = 12,769.92 : x
2. Step 2: Convert to fraction form
   22,194.72/30,635.28 = 12,769.92/x
3. Step 3: Cross multiply
   22,194.72x = 30,635.28 × 12,769.92
4. Step 4: Simplify right side
   22,194.72x = 391,210,074.78
5. Step 5: Solve for x
   x = 391,210,074.78/22,194.72
6. Step 6: Final answer
   x = 17,626.27