Finding the Fourth Proportional to 12,846.95, 17,723.81 and 8,064.87

Step by Step Solution

1. Step 1: Write the proportion equation
   12,846.95 : 17,723.81 = 8,064.87 : x
2. Step 2: Convert to fraction form
   12,846.95/17,723.81 = 8,064.87/x
3. Step 3: Cross multiply
   12,846.95x = 17,723.81 × 8,064.87
4. Step 4: Simplify right side
   12,846.95x = 142,940,177.25
5. Step 5: Solve for x
   x = 142,940,177.25/12,846.95
6. Step 6: Final answer
   x = 11,126.39