Finding the Fourth Proportional to 16,142.32, 24,191.61 and 8,356.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,142.32 : 24,191.61 = 8,356.60 : x
2. Step 2: Convert to fraction form
   16,142.32/24,191.61 = 8,356.60/x
3. Step 3: Cross multiply
   16,142.32x = 24,191.61 × 8,356.60
4. Step 4: Simplify right side
   16,142.32x = 202,159,608.13
5. Step 5: Solve for x
   x = 202,159,608.13/16,142.32
6. Step 6: Final answer
   x = 12,523.58