Finding the Fourth Proportional to 2,727.72, 4,091.76 and 997.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,727.72 : 4,091.76 = 997.56 : x
2. Step 2: Convert to fraction form
   2,727.72/4,091.76 = 997.56/x
3. Step 3: Cross multiply
   2,727.72x = 4,091.76 × 997.56
4. Step 4: Simplify right side
   2,727.72x = 4,081,776.11
5. Step 5: Solve for x
   x = 4,081,776.11/2,727.72
6. Step 6: Final answer
   x = 1,496.41