Finding the Fourth Proportional to 12,847.48, 17,735.98 and 8,074.36

Step by Step Solution

1. Step 1: Write the proportion equation
   12,847.48 : 17,735.98 = 8,074.36 : x
2. Step 2: Convert to fraction form
   12,847.48/17,735.98 = 8,074.36/x
3. Step 3: Cross multiply
   12,847.48x = 17,735.98 × 8,074.36
4. Step 4: Simplify right side
   12,847.48x = 143,206,687.47
5. Step 5: Solve for x
   x = 143,206,687.47/12,847.48
6. Step 6: Final answer
   x = 11,146.68