Finding the Fourth Proportional to 2,894.58, 4,339.71 and 1,355.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,894.58 : 4,339.71 = 1,355.22 : x
2. Step 2: Convert to fraction form
   2,894.58/4,339.71 = 1,355.22/x
3. Step 3: Cross multiply
   2,894.58x = 4,339.71 × 1,355.22
4. Step 4: Simplify right side
   2,894.58x = 5,881,261.79
5. Step 5: Solve for x
   x = 5,881,261.79/2,894.58
6. Step 6: Final answer
   x = 2,031.82