Finding the Fourth Proportional to 2,007.08, 2,769.48 and 1,122.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.08 : 2,769.48 = 1,122.72 : x
2. Step 2: Convert to fraction form
   2,007.08/2,769.48 = 1,122.72/x
3. Step 3: Cross multiply
   2,007.08x = 2,769.48 × 1,122.72
4. Step 4: Simplify right side
   2,007.08x = 3,109,350.59
5. Step 5: Solve for x
   x = 3,109,350.59/2,007.08
6. Step 6: Final answer
   x = 1,549.19