Finding the Fourth Proportional to 22,614.39, 31,200.39 and 13,658.49

Step by Step Solution

1. Step 1: Write the proportion equation
   22,614.39 : 31,200.39 = 13,658.49 : x
2. Step 2: Convert to fraction form
   22,614.39/31,200.39 = 13,658.49/x
3. Step 3: Cross multiply
   22,614.39x = 31,200.39 × 13,658.49
4. Step 4: Simplify right side
   22,614.39x = 426,150,214.81
5. Step 5: Solve for x
   x = 426,150,214.81/22,614.39
6. Step 6: Final answer
   x = 18,844.21