Finding the Fourth Proportional to 2,894.87, 4,341.56 and 1,139.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,894.87 : 4,341.56 = 1,139.94 : x
2. Step 2: Convert to fraction form
   2,894.87/4,341.56 = 1,139.94/x
3. Step 3: Cross multiply
   2,894.87x = 4,341.56 × 1,139.94
4. Step 4: Simplify right side
   2,894.87x = 4,949,112.21
5. Step 5: Solve for x
   x = 4,949,112.21/2,894.87
6. Step 6: Final answer
   x = 1,709.61