Finding the Fourth Proportional to 8,844.73, 12,203.61 and 5,978.80

Step by Step Solution

1. Step 1: Write the proportion equation
   8,844.73 : 12,203.61 = 5,978.80 : x
2. Step 2: Convert to fraction form
   8,844.73/12,203.61 = 5,978.80/x
3. Step 3: Cross multiply
   8,844.73x = 12,203.61 × 5,978.80
4. Step 4: Simplify right side
   8,844.73x = 72,962,969.93
5. Step 5: Solve for x
   x = 72,962,969.93/8,844.73
6. Step 6: Final answer
   x = 8,249.32