Finding the Fourth Proportional to 2,000.57, 2,760.55 and 1,116.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,000.57 : 2,760.55 = 1,116.34 : x
2. Step 2: Convert to fraction form
   2,000.57/2,760.55 = 1,116.34/x
3. Step 3: Cross multiply
   2,000.57x = 2,760.55 × 1,116.34
4. Step 4: Simplify right side
   2,000.57x = 3,081,702.69
5. Step 5: Solve for x
   x = 3,081,702.69/2,000.57
6. Step 6: Final answer
   x = 1,540.42