Finding the Fourth Proportional to 10,280.28, 14,185.96 and 5,805.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,280.28 : 14,185.96 = 5,805.12 : x
2. Step 2: Convert to fraction form
   10,280.28/14,185.96 = 5,805.12/x
3. Step 3: Cross multiply
   10,280.28x = 14,185.96 × 5,805.12
4. Step 4: Simplify right side
   10,280.28x = 82,351,200.12
5. Step 5: Solve for x
   x = 82,351,200.12/10,280.28
6. Step 6: Final answer
   x = 8,010.60