Finding the Fourth Proportional to 8,426.98, 11,631 and 5,594.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,426.98 : 11,631 = 5,594.50 : x
2. Step 2: Convert to fraction form
   8,426.98/11,631 = 5,594.50/x
3. Step 3: Cross multiply
   8,426.98x = 11,631 × 5,594.50
4. Step 4: Simplify right side
   8,426.98x = 65,069,629.50
5. Step 5: Solve for x
   x = 65,069,629.50/8,426.98
6. Step 6: Final answer
   x = 7,721.58