Finding the Fourth Proportional to 2,285.82, 3,153.87 and 1,578.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,285.82 : 3,153.87 = 1,578.29 : x
2. Step 2: Convert to fraction form
   2,285.82/3,153.87 = 1,578.29/x
3. Step 3: Cross multiply
   2,285.82x = 3,153.87 × 1,578.29
4. Step 4: Simplify right side
   2,285.82x = 4,977,705.71
5. Step 5: Solve for x
   x = 4,977,705.71/2,285.82
6. Step 6: Final answer
   x = 2,177.65