Finding the Fourth Proportional to 16,280.98, 24,405.86 and 5,181.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,280.98 : 24,405.86 = 5,181.54 : x
2. Step 2: Convert to fraction form
   16,280.98/24,405.86 = 5,181.54/x
3. Step 3: Cross multiply
   16,280.98x = 24,405.86 × 5,181.54
4. Step 4: Simplify right side
   16,280.98x = 126,459,939.82
5. Step 5: Solve for x
   x = 126,459,939.82/16,280.98
6. Step 6: Final answer
   x = 7,767.34