Finding the Fourth Proportional to 10,426.37, 14,382.71 and 6,642.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,426.37 : 14,382.71 = 6,642.86 : x
2. Step 2: Convert to fraction form
   10,426.37/14,382.71 = 6,642.86/x
3. Step 3: Cross multiply
   10,426.37x = 14,382.71 × 6,642.86
4. Step 4: Simplify right side
   10,426.37x = 95,542,367.00
5. Step 5: Solve for x
   x = 95,542,367.00/10,426.37
6. Step 6: Final answer
   x = 9,163.53