Finding the Fourth Proportional to 22,200.67, 30,635.17 and 12,769.84

Step by Step Solution

1. Step 1: Write the proportion equation
   22,200.67 : 30,635.17 = 12,769.84 : x
2. Step 2: Convert to fraction form
   22,200.67/30,635.17 = 12,769.84/x
3. Step 3: Cross multiply
   22,200.67x = 30,635.17 × 12,769.84
4. Step 4: Simplify right side
   22,200.67x = 391,206,219.27
5. Step 5: Solve for x
   x = 391,206,219.27/22,200.67
6. Step 6: Final answer
   x = 17,621.37