Finding the Fourth Proportional to 2,879.56, 4,319.94 and 1,030.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,879.56 : 4,319.94 = 1,030.72 : x
2. Step 2: Convert to fraction form
   2,879.56/4,319.94 = 1,030.72/x
3. Step 3: Cross multiply
   2,879.56x = 4,319.94 × 1,030.72
4. Step 4: Simplify right side
   2,879.56x = 4,452,648.56
5. Step 5: Solve for x
   x = 4,452,648.56/2,879.56
6. Step 6: Final answer
   x = 1,546.29