Finding the Fourth Proportional to 22,268.71, 30,709.61 and 13,314.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,268.71 : 30,709.61 = 13,314.76 : x
2. Step 2: Convert to fraction form
   22,268.71/30,709.61 = 13,314.76/x
3. Step 3: Cross multiply
   22,268.71x = 30,709.61 × 13,314.76
4. Step 4: Simplify right side
   22,268.71x = 408,890,866.72
5. Step 5: Solve for x
   x = 408,890,866.72/22,268.71
6. Step 6: Final answer
   x = 18,361.68