Finding the Fourth Proportional to 2,742.42, 4,113.71 and 893.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,742.42 : 4,113.71 = 893.55 : x
2. Step 2: Convert to fraction form
   2,742.42/4,113.71 = 893.55/x
3. Step 3: Cross multiply
   2,742.42x = 4,113.71 × 893.55
4. Step 4: Simplify right side
   2,742.42x = 3,675,805.57
5. Step 5: Solve for x
   x = 3,675,805.57/2,742.42
6. Step 6: Final answer
   x = 1,340.35