Finding the Fourth Proportional to 16,616.46, 23,029.71 and 16,305.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,616.46 : 23,029.71 = 16,305.42 : x
2. Step 2: Convert to fraction form
   16,616.46/23,029.71 = 16,305.42/x
3. Step 3: Cross multiply
   16,616.46x = 23,029.71 × 16,305.42
4. Step 4: Simplify right side
   16,616.46x = 375,509,094.03
5. Step 5: Solve for x
   x = 375,509,094.03/16,616.46
6. Step 6: Final answer
   x = 22,598.62