Finding the Fourth Proportional to 2,787.48, 4,175.73 and 1,396.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,787.48 : 4,175.73 = 1,396.71 : x
2. Step 2: Convert to fraction form
   2,787.48/4,175.73 = 1,396.71/x
3. Step 3: Cross multiply
   2,787.48x = 4,175.73 × 1,396.71
4. Step 4: Simplify right side
   2,787.48x = 5,832,283.85
5. Step 5: Solve for x
   x = 5,832,283.85/2,787.48
6. Step 6: Final answer
   x = 2,092.31