Finding the Fourth Proportional to 12,362.36, 17,054.15 and 8,111.68

Step by Step Solution

1. Step 1: Write the proportion equation
   12,362.36 : 17,054.15 = 8,111.68 : x
2. Step 2: Convert to fraction form
   12,362.36/17,054.15 = 8,111.68/x
3. Step 3: Cross multiply
   12,362.36x = 17,054.15 × 8,111.68
4. Step 4: Simplify right side
   12,362.36x = 138,337,724.28
5. Step 5: Solve for x
   x = 138,337,724.28/12,362.36
6. Step 6: Final answer
   x = 11,190.24