Finding the Fourth Proportional to 2,006.48, 2,768.94 and 1,122.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,006.48 : 2,768.94 = 1,122.50 : x
2. Step 2: Convert to fraction form
   2,006.48/2,768.94 = 1,122.50/x
3. Step 3: Cross multiply
   2,006.48x = 2,768.94 × 1,122.50
4. Step 4: Simplify right side
   2,006.48x = 3,108,121.31
5. Step 5: Solve for x
   x = 3,108,121.31/2,006.48
6. Step 6: Final answer
   x = 1,549.05