Finding the Fourth Proportional to 22,346.28, 33,480.72 and 13,562.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,346.28 : 33,480.72 = 13,562.78 : x
2. Step 2: Convert to fraction form
   22,346.28/33,480.72 = 13,562.78/x
3. Step 3: Cross multiply
   22,346.28x = 33,480.72 × 13,562.78
4. Step 4: Simplify right side
   22,346.28x = 454,091,472.20
5. Step 5: Solve for x
   x = 454,091,472.20/22,346.28
6. Step 6: Final answer
   x = 20,320.67