Finding the Fourth Proportional to 1,856.82, 2,562.40 and 1,028.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,856.82 : 2,562.40 = 1,028.82 : x
2. Step 2: Convert to fraction form
   1,856.82/2,562.40 = 1,028.82/x
3. Step 3: Cross multiply
   1,856.82x = 2,562.40 × 1,028.82
4. Step 4: Simplify right side
   1,856.82x = 2,636,248.37
5. Step 5: Solve for x
   x = 2,636,248.37/1,856.82
6. Step 6: Final answer
   x = 1,419.77