Finding the Fourth Proportional to 2,123.40, 3,183.20 and 1,026.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.40 : 3,183.20 = 1,026.24 : x
2. Step 2: Convert to fraction form
   2,123.40/3,183.20 = 1,026.24/x
3. Step 3: Cross multiply
   2,123.40x = 3,183.20 × 1,026.24
4. Step 4: Simplify right side
   2,123.40x = 3,266,727.17
5. Step 5: Solve for x
   x = 3,266,727.17/2,123.40
6. Step 6: Final answer
   x = 1,538.44