Finding the Fourth Proportional to 2,858.32, 4,288.82 and 1,010.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,858.32 : 4,288.82 = 1,010.83 : x
2. Step 2: Convert to fraction form
   2,858.32/4,288.82 = 1,010.83/x
3. Step 3: Cross multiply
   2,858.32x = 4,288.82 × 1,010.83
4. Step 4: Simplify right side
   2,858.32x = 4,335,267.92
5. Step 5: Solve for x
   x = 4,335,267.92/2,858.32
6. Step 6: Final answer
   x = 1,516.72