Finding the Fourth Proportional to 2,757.69, 4,137.35 and 1,113.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,757.69 : 4,137.35 = 1,113.39 : x
2. Step 2: Convert to fraction form
   2,757.69/4,137.35 = 1,113.39/x
3. Step 3: Cross multiply
   2,757.69x = 4,137.35 × 1,113.39
4. Step 4: Simplify right side
   2,757.69x = 4,606,478.55
5. Step 5: Solve for x
   x = 4,606,478.55/2,757.69
6. Step 6: Final answer
   x = 1,670.41