Finding the Fourth Proportional to 2,000.79, 2,760.89 and 1,116.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,000.79 : 2,760.89 = 1,116.50 : x
2. Step 2: Convert to fraction form
   2,000.79/2,760.89 = 1,116.50/x
3. Step 3: Cross multiply
   2,000.79x = 2,760.89 × 1,116.50
4. Step 4: Simplify right side
   2,000.79x = 3,082,514.30
5. Step 5: Solve for x
   x = 3,082,514.30/2,000.79
6. Step 6: Final answer
   x = 1,540.65