Finding the Fourth Proportional to 1,048.79, 1,447.33 and 583.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,048.79 : 1,447.33 = 583.04 : x
2. Step 2: Convert to fraction form
   1,048.79/1,447.33 = 583.04/x
3. Step 3: Cross multiply
   1,048.79x = 1,447.33 × 583.04
4. Step 4: Simplify right side
   1,048.79x = 843,842.59
5. Step 5: Solve for x
   x = 843,842.59/1,048.79
6. Step 6: Final answer
   x = 804.59