Finding the Fourth Proportional to 3,321.72, 4,582.04 and 2,077.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,321.72 : 4,582.04 = 2,077.56 : x
2. Step 2: Convert to fraction form
   3,321.72/4,582.04 = 2,077.56/x
3. Step 3: Cross multiply
   3,321.72x = 4,582.04 × 2,077.56
4. Step 4: Simplify right side
   3,321.72x = 9,519,463.02
5. Step 5: Solve for x
   x = 9,519,463.02/3,321.72
6. Step 6: Final answer
   x = 2,865.82