Finding the Fourth Proportional to 16,353.96, 24,539.82 and 12,663.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,353.96 : 24,539.82 = 12,663.42 : x
2. Step 2: Convert to fraction form
   16,353.96/24,539.82 = 12,663.42/x
3. Step 3: Cross multiply
   16,353.96x = 24,539.82 × 12,663.42
4. Step 4: Simplify right side
   16,353.96x = 310,758,047.38
5. Step 5: Solve for x
   x = 310,758,047.38/16,353.96
6. Step 6: Final answer
   x = 19,002.01