Finding the Fourth Proportional to 2,976.58, 4,465.56 and 1,028.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,976.58 : 4,465.56 = 1,028.79 : x
2. Step 2: Convert to fraction form
   2,976.58/4,465.56 = 1,028.79/x
3. Step 3: Cross multiply
   2,976.58x = 4,465.56 × 1,028.79
4. Step 4: Simplify right side
   2,976.58x = 4,594,123.47
5. Step 5: Solve for x
   x = 4,594,123.47/2,976.58
6. Step 6: Final answer
   x = 1,543.42