Finding the Fourth Proportional to 12,146.00, 16,745.85 and 8,158.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,146.00 : 16,745.85 = 8,158.37 : x
2. Step 2: Convert to fraction form
   12,146.00/16,745.85 = 8,158.37/x
3. Step 3: Cross multiply
   12,146.00x = 16,745.85 × 8,158.37
4. Step 4: Simplify right side
   12,146.00x = 136,618,756.54
5. Step 5: Solve for x
   x = 136,618,756.54/12,146.00
6. Step 6: Final answer
   x = 11,248.05