Finding the Fourth Proportional to 16,483.86, 24,729.71 and 5,390.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,483.86 : 24,729.71 = 5,390.55 : x
2. Step 2: Convert to fraction form
   16,483.86/24,729.71 = 5,390.55/x
3. Step 3: Cross multiply
   16,483.86x = 24,729.71 × 5,390.55
4. Step 4: Simplify right side
   16,483.86x = 133,306,711.29
5. Step 5: Solve for x
   x = 133,306,711.29/16,483.86
6. Step 6: Final answer
   x = 8,087.11