Finding the Fourth Proportional to 12,018.06, 16,593.12 and 7,833.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,018.06 : 16,593.12 = 7,833.60 : x
2. Step 2: Convert to fraction form
   12,018.06/16,593.12 = 7,833.60/x
3. Step 3: Cross multiply
   12,018.06x = 16,593.12 × 7,833.60
4. Step 4: Simplify right side
   12,018.06x = 129,983,864.83
5. Step 5: Solve for x
   x = 129,983,864.83/12,018.06
6. Step 6: Final answer
   x = 10,815.71