Finding the Fourth Proportional to 12,142.72, 16,757.72 and 7,366.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,142.72 : 16,757.72 = 7,366.02 : x
2. Step 2: Convert to fraction form
   12,142.72/16,757.72 = 7,366.02/x
3. Step 3: Cross multiply
   12,142.72x = 16,757.72 × 7,366.02
4. Step 4: Simplify right side
   12,142.72x = 123,437,700.67
5. Step 5: Solve for x
   x = 123,437,700.67/12,142.72
6. Step 6: Final answer
   x = 10,165.57