Finding the Fourth Proportional to 2,280.88, 3,148.70 and 1,442.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280.88 : 3,148.70 = 1,442.82 : x
2. Step 2: Convert to fraction form
   2,280.88/3,148.70 = 1,442.82/x
3. Step 3: Cross multiply
   2,280.88x = 3,148.70 × 1,442.82
4. Step 4: Simplify right side
   2,280.88x = 4,543,007.33
5. Step 5: Solve for x
   x = 4,543,007.33/2,280.88
6. Step 6: Final answer
   x = 1,991.78