Finding the Fourth Proportional to 22,864.69, 31,550.14 and 13,303.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,864.69 : 31,550.14 = 13,303.86 : x
2. Step 2: Convert to fraction form
   22,864.69/31,550.14 = 13,303.86/x
3. Step 3: Cross multiply
   22,864.69x = 31,550.14 × 13,303.86
4. Step 4: Simplify right side
   22,864.69x = 419,738,645.54
5. Step 5: Solve for x
   x = 419,738,645.54/22,864.69
6. Step 6: Final answer
   x = 18,357.50