Finding the Fourth Proportional to 16,513.68, 24,773.61 and 5,423.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,513.68 : 24,773.61 = 5,423.55 : x
2. Step 2: Convert to fraction form
   16,513.68/24,773.61 = 5,423.55/x
3. Step 3: Cross multiply
   16,513.68x = 24,773.61 × 5,423.55
4. Step 4: Simplify right side
   16,513.68x = 134,360,912.52
5. Step 5: Solve for x
   x = 134,360,912.52/16,513.68
6. Step 6: Final answer
   x = 8,136.34