Finding the Fourth Proportional to 1,047.92, 1,445.98 and 582.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.92 : 1,445.98 = 582.28 : x
2. Step 2: Convert to fraction form
   1,047.92/1,445.98 = 582.28/x
3. Step 3: Cross multiply
   1,047.92x = 1,445.98 × 582.28
4. Step 4: Simplify right side
   1,047.92x = 841,965.23
5. Step 5: Solve for x
   x = 841,965.23/1,047.92
6. Step 6: Final answer
   x = 803.46