Finding the Fourth Proportional to 12,900.58, 17,799.69 and 8,183.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,900.58 : 17,799.69 = 8,183.14 : x
2. Step 2: Convert to fraction form
   12,900.58/17,799.69 = 8,183.14/x
3. Step 3: Cross multiply
   12,900.58x = 17,799.69 × 8,183.14
4. Step 4: Simplify right side
   12,900.58x = 145,657,355.23
5. Step 5: Solve for x
   x = 145,657,355.23/12,900.58
6. Step 6: Final answer
   x = 11,290.76