Finding the Fourth Proportional to 10,210.43, 14,086.89 and 6,379.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,210.43 : 14,086.89 = 6,379.47 : x
2. Step 2: Convert to fraction form
   10,210.43/14,086.89 = 6,379.47/x
3. Step 3: Cross multiply
   10,210.43x = 14,086.89 × 6,379.47
4. Step 4: Simplify right side
   10,210.43x = 89,866,892.15
5. Step 5: Solve for x
   x = 89,866,892.15/10,210.43
6. Step 6: Final answer
   x = 8,801.48