Finding the Fourth Proportional to 22,086.66, 30,490.88 and 17,039.55

Step by Step Solution

1. Step 1: Write the proportion equation
   22,086.66 : 30,490.88 = 17,039.55 : x
2. Step 2: Convert to fraction form
   22,086.66/30,490.88 = 17,039.55/x
3. Step 3: Cross multiply
   22,086.66x = 30,490.88 × 17,039.55
4. Step 4: Simplify right side
   22,086.66x = 519,550,874.30
5. Step 5: Solve for x
   x = 519,550,874.30/22,086.66
6. Step 6: Final answer
   x = 23,523.29