Finding the Fourth Proportional to 16,513.96, 24,741.42 and 8,705.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,513.96 : 24,741.42 = 8,705.32 : x
2. Step 2: Convert to fraction form
   16,513.96/24,741.42 = 8,705.32/x
3. Step 3: Cross multiply
   16,513.96x = 24,741.42 × 8,705.32
4. Step 4: Simplify right side
   16,513.96x = 215,381,978.35
5. Step 5: Solve for x
   x = 215,381,978.35/16,513.96
6. Step 6: Final answer
   x = 13,042.42