Finding the Fourth Proportional to 10,639.32, 14,682.78 and 6,162.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,639.32 : 14,682.78 = 6,162.27 : x
2. Step 2: Convert to fraction form
   10,639.32/14,682.78 = 6,162.27/x
3. Step 3: Cross multiply
   10,639.32x = 14,682.78 × 6,162.27
4. Step 4: Simplify right side
   10,639.32x = 90,479,254.71
5. Step 5: Solve for x
   x = 90,479,254.71/10,639.32
6. Step 6: Final answer
   x = 8,504.23