Finding the Fourth Proportional to 2,760.75, 4,142.52 and 1,117.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,760.75 : 4,142.52 = 1,117.35 : x
2. Step 2: Convert to fraction form
   2,760.75/4,142.52 = 1,117.35/x
3. Step 3: Cross multiply
   2,760.75x = 4,142.52 × 1,117.35
4. Step 4: Simplify right side
   2,760.75x = 4,628,644.72
5. Step 5: Solve for x
   x = 4,628,644.72/2,760.75
6. Step 6: Final answer
   x = 1,676.59