Finding the Fourth Proportional to 22,502.69, 31,043.37 and 13,069.43

Step by Step Solution

1. Step 1: Write the proportion equation
   22,502.69 : 31,043.37 = 13,069.43 : x
2. Step 2: Convert to fraction form
   22,502.69/31,043.37 = 13,069.43/x
3. Step 3: Cross multiply
   22,502.69x = 31,043.37 × 13,069.43
4. Step 4: Simplify right side
   22,502.69x = 405,719,151.18
5. Step 5: Solve for x
   x = 405,719,151.18/22,502.69
6. Step 6: Final answer
   x = 18,029.81