Finding the Fourth Proportional to 2,000.05, 2,760.17 and 1,115.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,000.05 : 2,760.17 = 1,115.86 : x
2. Step 2: Convert to fraction form
   2,000.05/2,760.17 = 1,115.86/x
3. Step 3: Cross multiply
   2,000.05x = 2,760.17 × 1,115.86
4. Step 4: Simplify right side
   2,000.05x = 3,079,963.30
5. Step 5: Solve for x
   x = 3,079,963.30/2,000.05
6. Step 6: Final answer
   x = 1,539.94