Finding the Fourth Proportional to 2,280.44, 3,146.82 and 1,285.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280.44 : 3,146.82 = 1,285.52 : x
2. Step 2: Convert to fraction form
   2,280.44/3,146.82 = 1,285.52/x
3. Step 3: Cross multiply
   2,280.44x = 3,146.82 × 1,285.52
4. Step 4: Simplify right side
   2,280.44x = 4,045,300.05
5. Step 5: Solve for x
   x = 4,045,300.05/2,280.44
6. Step 6: Final answer
   x = 1,773.91