Finding the Fourth Proportional to 22,085.42, 30,436.91 and 16,411.17

Step by Step Solution

1. Step 1: Write the proportion equation
   22,085.42 : 30,436.91 = 16,411.17 : x
2. Step 2: Convert to fraction form
   22,085.42/30,436.91 = 16,411.17/x
3. Step 3: Cross multiply
   22,085.42x = 30,436.91 × 16,411.17
4. Step 4: Simplify right side
   22,085.42x = 499,505,222.23
5. Step 5: Solve for x
   x = 499,505,222.23/22,085.42
6. Step 6: Final answer
   x = 22,616.97