Finding the Fourth Proportional to 22,086.91, 30,491.22 and 17,039.80

Step by Step Solution

1. Step 1: Write the proportion equation
   22,086.91 : 30,491.22 = 17,039.80 : x
2. Step 2: Convert to fraction form
   22,086.91/30,491.22 = 17,039.80/x
3. Step 3: Cross multiply
   22,086.91x = 30,491.22 × 17,039.80
4. Step 4: Simplify right side
   22,086.91x = 519,564,290.56
5. Step 5: Solve for x
   x = 519,564,290.56/22,086.91
6. Step 6: Final answer
   x = 23,523.63