Finding the Fourth Proportional to 10,221.05, 14,105.17 and 6,187.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,221.05 : 14,105.17 = 6,187.82 : x
2. Step 2: Convert to fraction form
   10,221.05/14,105.17 = 6,187.82/x
3. Step 3: Cross multiply
   10,221.05x = 14,105.17 × 6,187.82
4. Step 4: Simplify right side
   10,221.05x = 87,280,253.03
5. Step 5: Solve for x
   x = 87,280,253.03/10,221.05
6. Step 6: Final answer
   x = 8,539.26