Finding the Fourth Proportional to 2,891.33, 4,339.46 and 1,137.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,891.33 : 4,339.46 = 1,137.56 : x
2. Step 2: Convert to fraction form
   2,891.33/4,339.46 = 1,137.56/x
3. Step 3: Cross multiply
   2,891.33x = 4,339.46 × 1,137.56
4. Step 4: Simplify right side
   2,891.33x = 4,936,401.28
5. Step 5: Solve for x
   x = 4,936,401.28/2,891.33
6. Step 6: Final answer
   x = 1,707.31