Finding the Fourth Proportional to 2,721.72, 3,753.98 and 1,776.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,721.72 : 3,753.98 = 1,776.00 : x
2. Step 2: Convert to fraction form
   2,721.72/3,753.98 = 1,776.00/x
3. Step 3: Cross multiply
   2,721.72x = 3,753.98 × 1,776.00
4. Step 4: Simplify right side
   2,721.72x = 6,667,045.27
5. Step 5: Solve for x
   x = 6,667,045.27/2,721.72
6. Step 6: Final answer
   x = 2,449.57