Finding the Fourth Proportional to 12,072.42, 16,661.16 and 7,359.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,072.42 : 16,661.16 = 7,359.48 : x
2. Step 2: Convert to fraction form
   12,072.42/16,661.16 = 7,359.48/x
3. Step 3: Cross multiply
   12,072.42x = 16,661.16 × 7,359.48
4. Step 4: Simplify right side
   12,072.42x = 122,617,473.80
5. Step 5: Solve for x
   x = 122,617,473.80/12,072.42
6. Step 6: Final answer
   x = 10,156.83