Finding the Fourth Proportional to 10,287.44, 14,196.55 and 5,811.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,287.44 : 14,196.55 = 5,811.18 : x
2. Step 2: Convert to fraction form
   10,287.44/14,196.55 = 5,811.18/x
3. Step 3: Cross multiply
   10,287.44x = 14,196.55 × 5,811.18
4. Step 4: Simplify right side
   10,287.44x = 82,498,707.43
5. Step 5: Solve for x
   x = 82,498,707.43/10,287.44
6. Step 6: Final answer
   x = 8,019.36