Finding the Fourth Proportional to 1,057.92, 1,579.83 and 1,046.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057.92 : 1,579.83 = 1,046.46 : x
2. Step 2: Convert to fraction form
   1,057.92/1,579.83 = 1,046.46/x
3. Step 3: Cross multiply
   1,057.92x = 1,579.83 × 1,046.46
4. Step 4: Simplify right side
   1,057.92x = 1,653,228.90
5. Step 5: Solve for x
   x = 1,653,228.90/1,057.92
6. Step 6: Final answer
   x = 1,562.72