Finding the Fourth Proportional to 17,176.32, 23,662.86 and 16,142.96

Step by Step Solution

1. Step 1: Write the proportion equation
   17,176.32 : 23,662.86 = 16,142.96 : x
2. Step 2: Convert to fraction form
   17,176.32/23,662.86 = 16,142.96/x
3. Step 3: Cross multiply
   17,176.32x = 23,662.86 × 16,142.96
4. Step 4: Simplify right side
   17,176.32x = 381,988,602.47
5. Step 5: Solve for x
   x = 381,988,602.47/17,176.32
6. Step 6: Final answer
   x = 22,239.26