Finding the Fourth Proportional to 2,742.86, 4,113.40 and 893.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,742.86 : 4,113.40 = 893.49 : x
2. Step 2: Convert to fraction form
   2,742.86/4,113.40 = 893.49/x
3. Step 3: Cross multiply
   2,742.86x = 4,113.40 × 893.49
4. Step 4: Simplify right side
   2,742.86x = 3,675,281.77
5. Step 5: Solve for x
   x = 3,675,281.77/2,742.86
6. Step 6: Final answer
   x = 1,339.95