Finding the Fourth Proportional to 10,287.29, 14,196.72 and 6,310.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,287.29 : 14,196.72 = 6,310.59 : x
2. Step 2: Convert to fraction form
   10,287.29/14,196.72 = 6,310.59/x
3. Step 3: Cross multiply
   10,287.29x = 14,196.72 × 6,310.59
4. Step 4: Simplify right side
   10,287.29x = 89,589,679.26
5. Step 5: Solve for x
   x = 89,589,679.26/10,287.29
6. Step 6: Final answer
   x = 8,708.78