Finding the Fourth Proportional to 22,275.69, 30,740.46 and 13,323.20

Step by Step Solution

1. Step 1: Write the proportion equation
   22,275.69 : 30,740.46 = 13,323.20 : x
2. Step 2: Convert to fraction form
   22,275.69/30,740.46 = 13,323.20/x
3. Step 3: Cross multiply
   22,275.69x = 30,740.46 × 13,323.20
4. Step 4: Simplify right side
   22,275.69x = 409,561,142.97
5. Step 5: Solve for x
   x = 409,561,142.97/22,275.69
6. Step 6: Final answer
   x = 18,386.01