Finding the Fourth Proportional to 22,767.37, 31,422.05 and 13,339.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,767.37 : 31,422.05 = 13,339.69 : x
2. Step 2: Convert to fraction form
   22,767.37/31,422.05 = 13,339.69/x
3. Step 3: Cross multiply
   22,767.37x = 31,422.05 × 13,339.69
4. Step 4: Simplify right side
   22,767.37x = 419,160,360.96
5. Step 5: Solve for x
   x = 419,160,360.96/22,767.37
6. Step 6: Final answer
   x = 18,410.58