Finding the Fourth Proportional to 2,054.80, 2,835.52 and 1,123.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.80 : 2,835.52 = 1,123.28 : x
2. Step 2: Convert to fraction form
   2,054.80/2,835.52 = 1,123.28/x
3. Step 3: Cross multiply
   2,054.80x = 2,835.52 × 1,123.28
4. Step 4: Simplify right side
   2,054.80x = 3,185,082.91
5. Step 5: Solve for x
   x = 3,185,082.91/2,054.80
6. Step 6: Final answer
   x = 1,550.07