Finding the Fourth Proportional to 2,280.69, 3,147.39 and 1,335.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280.69 : 3,147.39 = 1,335.96 : x
2. Step 2: Convert to fraction form
   2,280.69/3,147.39 = 1,335.96/x
3. Step 3: Cross multiply
   2,280.69x = 3,147.39 × 1,335.96
4. Step 4: Simplify right side
   2,280.69x = 4,204,787.14
5. Step 5: Solve for x
   x = 4,204,787.14/2,280.69
6. Step 6: Final answer
   x = 1,843.65