Finding the Fourth Proportional to 16,505.82, 22,778.10 and 9,432.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,505.82 : 22,778.10 = 9,432.48 : x
2. Step 2: Convert to fraction form
   16,505.82/22,778.10 = 9,432.48/x
3. Step 3: Cross multiply
   16,505.82x = 22,778.10 × 9,432.48
4. Step 4: Simplify right side
   16,505.82x = 214,853,972.69
5. Step 5: Solve for x
   x = 214,853,972.69/16,505.82
6. Step 6: Final answer
   x = 13,016.86