Finding the Fourth Proportional to 12,041.89, 16,623.61 and 8,015.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,041.89 : 16,623.61 = 8,015.42 : x
2. Step 2: Convert to fraction form
   12,041.89/16,623.61 = 8,015.42/x
3. Step 3: Cross multiply
   12,041.89x = 16,623.61 × 8,015.42
4. Step 4: Simplify right side
   12,041.89x = 133,245,216.07
5. Step 5: Solve for x
   x = 133,245,216.07/12,041.89
6. Step 6: Final answer
   x = 11,065.14