Finding the Fourth Proportional to 16,077.50, 24,116.09 and 4,390.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,077.50 : 24,116.09 = 4,390.72 : x
2. Step 2: Convert to fraction form
   16,077.50/24,116.09 = 4,390.72/x
3. Step 3: Cross multiply
   16,077.50x = 24,116.09 × 4,390.72
4. Step 4: Simplify right side
   16,077.50x = 105,886,998.68
5. Step 5: Solve for x
   x = 105,886,998.68/16,077.50
6. Step 6: Final answer
   x = 6,586.04