Finding the Fourth Proportional to 8,426.72, 11,628.71 and 4,650.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,426.72 : 11,628.71 = 4,650.22 : x
2. Step 2: Convert to fraction form
   8,426.72/11,628.71 = 4,650.22/x
3. Step 3: Cross multiply
   8,426.72x = 11,628.71 × 4,650.22
4. Step 4: Simplify right side
   8,426.72x = 54,076,059.82
5. Step 5: Solve for x
   x = 54,076,059.82/8,426.72
6. Step 6: Final answer
   x = 6,417.21