Finding the Fourth Proportional to 16,483.40, 24,699.16 and 12,744.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,483.40 : 24,699.16 = 12,744.31 : x
2. Step 2: Convert to fraction form
   16,483.40/24,699.16 = 12,744.31/x
3. Step 3: Cross multiply
   16,483.40x = 24,699.16 × 12,744.31
4. Step 4: Simplify right side
   16,483.40x = 314,773,751.78
5. Step 5: Solve for x
   x = 314,773,751.78/16,483.40
6. Step 6: Final answer
   x = 19,096.41