Finding the Fourth Proportional to 2,976.72, 4,467.11 and 1,028.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,976.72 : 4,467.11 = 1,028.91 : x
2. Step 2: Convert to fraction form
   2,976.72/4,467.11 = 1,028.91/x
3. Step 3: Cross multiply
   2,976.72x = 4,467.11 × 1,028.91
4. Step 4: Simplify right side
   2,976.72x = 4,596,232.25
5. Step 5: Solve for x
   x = 4,596,232.25/2,976.72
6. Step 6: Final answer
   x = 1,544.06