Finding the Fourth Proportional to 8,835.40, 12,198.63 and 5,481.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,835.40 : 12,198.63 = 5,481.82 : x
2. Step 2: Convert to fraction form
   8,835.40/12,198.63 = 5,481.82/x
3. Step 3: Cross multiply
   8,835.40x = 12,198.63 × 5,481.82
4. Step 4: Simplify right side
   8,835.40x = 66,870,693.91
5. Step 5: Solve for x
   x = 66,870,693.91/8,835.40
6. Step 6: Final answer
   x = 7,568.50