Finding the Fourth Proportional to 2,760.12, 4,139.48 and 1,116.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,760.12 : 4,139.48 = 1,116.18 : x
2. Step 2: Convert to fraction form
   2,760.12/4,139.48 = 1,116.18/x
3. Step 3: Cross multiply
   2,760.12x = 4,139.48 × 1,116.18
4. Step 4: Simplify right side
   2,760.12x = 4,620,404.79
5. Step 5: Solve for x
   x = 4,620,404.79/2,760.12
6. Step 6: Final answer
   x = 1,673.99