Finding the Fourth Proportional to 22,238.74, 30,684.87 and 13,282.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,238.74 : 30,684.87 = 13,282.96 : x
2. Step 2: Convert to fraction form
   22,238.74/30,684.87 = 13,282.96/x
3. Step 3: Cross multiply
   22,238.74x = 30,684.87 × 13,282.96
4. Step 4: Simplify right side
   22,238.74x = 407,585,900.82
5. Step 5: Solve for x
   x = 407,585,900.82/22,238.74
6. Step 6: Final answer
   x = 18,327.74