Finding the Fourth Proportional to 2,006.05, 2,768.34 and 1,121.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,006.05 : 2,768.34 = 1,121.86 : x
2. Step 2: Convert to fraction form
   2,006.05/2,768.34 = 1,121.86/x
3. Step 3: Cross multiply
   2,006.05x = 2,768.34 × 1,121.86
4. Step 4: Simplify right side
   2,006.05x = 3,105,689.91
5. Step 5: Solve for x
   x = 3,105,689.91/2,006.05
6. Step 6: Final answer
   x = 1,548.16