Finding the Fourth Proportional to 22,865.19, 31,550.82 and 13,304.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,865.19 : 31,550.82 = 13,304.36 : x
2. Step 2: Convert to fraction form
   22,865.19/31,550.82 = 13,304.36/x
3. Step 3: Cross multiply
   22,865.19x = 31,550.82 × 13,304.36
4. Step 4: Simplify right side
   22,865.19x = 419,763,309.82
5. Step 5: Solve for x
   x = 419,763,309.82/22,865.19
6. Step 6: Final answer
   x = 18,358.18