Finding the Fourth Proportional to 2,761.83, 4,142.73 and 1,118.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,761.83 : 4,142.73 = 1,118.38 : x
2. Step 2: Convert to fraction form
   2,761.83/4,142.73 = 1,118.38/x
3. Step 3: Cross multiply
   2,761.83x = 4,142.73 × 1,118.38
4. Step 4: Simplify right side
   2,761.83x = 4,633,146.38
5. Step 5: Solve for x
   x = 4,633,146.38/2,761.83
6. Step 6: Final answer
   x = 1,677.56