Finding the Fourth Proportional to 16,279.55, 24,420.06 and 5,185.19

Step by Step Solution

1. Step 1: Write the proportion equation
   16,279.55 : 24,420.06 = 5,185.19 : x
2. Step 2: Convert to fraction form
   16,279.55/24,420.06 = 5,185.19/x
3. Step 3: Cross multiply
   16,279.55x = 24,420.06 × 5,185.19
4. Step 4: Simplify right side
   16,279.55x = 126,622,650.91
5. Step 5: Solve for x
   x = 126,622,650.91/16,279.55
6. Step 6: Final answer
   x = 7,778.02