Finding the Fourth Proportional to 2,007.16, 2,769.87 and 1,123.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.16 : 2,769.87 = 1,123.05 : x
2. Step 2: Convert to fraction form
   2,007.16/2,769.87 = 1,123.05/x
3. Step 3: Cross multiply
   2,007.16x = 2,769.87 × 1,123.05
4. Step 4: Simplify right side
   2,007.16x = 3,110,702.50
5. Step 5: Solve for x
   x = 3,110,702.50/2,007.16
6. Step 6: Final answer
   x = 1,549.80