Finding the Fourth Proportional to 2,894.52, 4,341.09 and 1,139.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,894.52 : 4,341.09 = 1,139.46 : x
2. Step 2: Convert to fraction form
   2,894.52/4,341.09 = 1,139.46/x
3. Step 3: Cross multiply
   2,894.52x = 4,341.09 × 1,139.46
4. Step 4: Simplify right side
   2,894.52x = 4,946,498.41
5. Step 5: Solve for x
   x = 4,946,498.41/2,894.52
6. Step 6: Final answer
   x = 1,708.92