Finding the Fourth Proportional to 1,047.79, 1,446.06 and 582.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.79 : 1,446.06 = 582.04 : x
2. Step 2: Convert to fraction form
   1,047.79/1,446.06 = 582.04/x
3. Step 3: Cross multiply
   1,047.79x = 1,446.06 × 582.04
4. Step 4: Simplify right side
   1,047.79x = 841,664.76
5. Step 5: Solve for x
   x = 841,664.76/1,047.79
6. Step 6: Final answer
   x = 803.28