Finding the Fourth Proportional to 10,287.32, 14,196.56 and 5,811.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,287.32 : 14,196.56 = 5,811.48 : x
2. Step 2: Convert to fraction form
   10,287.32/14,196.56 = 5,811.48/x
3. Step 3: Cross multiply
   10,287.32x = 14,196.56 × 5,811.48
4. Step 4: Simplify right side
   10,287.32x = 82,502,995.45
5. Step 5: Solve for x
   x = 82,502,995.45/10,287.32
6. Step 6: Final answer
   x = 8,019.88