Finding the Fourth Proportional to 16,015.20, 24,026.55 and 5,485.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,015.20 : 24,026.55 = 5,485.34 : x
2. Step 2: Convert to fraction form
   16,015.20/24,026.55 = 5,485.34/x
3. Step 3: Cross multiply
   16,015.20x = 24,026.55 × 5,485.34
4. Step 4: Simplify right side
   16,015.20x = 131,793,795.78
5. Step 5: Solve for x
   x = 131,793,795.78/16,015.20
6. Step 6: Final answer
   x = 8,229.29