Finding the Fourth Proportional to 22,694.42, 31,305.52 and 13,617.43

Step by Step Solution

1. Step 1: Write the proportion equation
   22,694.42 : 31,305.52 = 13,617.43 : x
2. Step 2: Convert to fraction form
   22,694.42/31,305.52 = 13,617.43/x
3. Step 3: Cross multiply
   22,694.42x = 31,305.52 × 13,617.43
4. Step 4: Simplify right side
   22,694.42x = 426,300,727.21
5. Step 5: Solve for x
   x = 426,300,727.21/22,694.42
6. Step 6: Final answer
   x = 18,784.39