Finding the Fourth Proportional to 16,233.72, 22,402.70 and 9,523.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,233.72 : 22,402.70 = 9,523.32 : x
2. Step 2: Convert to fraction form
   16,233.72/22,402.70 = 9,523.32/x
3. Step 3: Cross multiply
   16,233.72x = 22,402.70 × 9,523.32
4. Step 4: Simplify right side
   16,233.72x = 213,348,080.96
5. Step 5: Solve for x
   x = 213,348,080.96/16,233.72
6. Step 6: Final answer
   x = 13,142.28