Finding the Fourth Proportional to 1,233.10, 1,839.25 and 1,048.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233.10 : 1,839.25 = 1,048.42 : x
2. Step 2: Convert to fraction form
   1,233.10/1,839.25 = 1,048.42/x
3. Step 3: Cross multiply
   1,233.10x = 1,839.25 × 1,048.42
4. Step 4: Simplify right side
   1,233.10x = 1,928,306.49
5. Step 5: Solve for x
   x = 1,928,306.49/1,233.10
6. Step 6: Final answer
   x = 1,563.79