Finding the Fourth Proportional to 3,992.72, 5,983.61 and 2,529.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,992.72 : 5,983.61 = 2,529.27 : x
2. Step 2: Convert to fraction form
   3,992.72/5,983.61 = 2,529.27/x
3. Step 3: Cross multiply
   3,992.72x = 5,983.61 × 2,529.27
4. Step 4: Simplify right side
   3,992.72x = 15,134,152.62
5. Step 5: Solve for x
   x = 15,134,152.62/3,992.72
6. Step 6: Final answer
   x = 3,790.44