Finding the Fourth Proportional to 12,016.98, 16,585.83 and 7,999.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,016.98 : 16,585.83 = 7,999.02 : x
2. Step 2: Convert to fraction form
   12,016.98/16,585.83 = 7,999.02/x
3. Step 3: Cross multiply
   12,016.98x = 16,585.83 × 7,999.02
4. Step 4: Simplify right side
   12,016.98x = 132,670,385.89
5. Step 5: Solve for x
   x = 132,670,385.89/12,016.98
6. Step 6: Final answer
   x = 11,040.24