Finding the Fourth Proportional to 12,578.52, 17,362.44 and 8,110.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,578.52 : 17,362.44 = 8,110.56 : x
2. Step 2: Convert to fraction form
   12,578.52/17,362.44 = 8,110.56/x
3. Step 3: Cross multiply
   12,578.52x = 17,362.44 × 8,110.56
4. Step 4: Simplify right side
   12,578.52x = 140,819,111.37
5. Step 5: Solve for x
   x = 140,819,111.37/12,578.52
6. Step 6: Final answer
   x = 11,195.21