Finding the Fourth Proportional to 1,200.39, 1,799.29 and 582.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200.39 : 1,799.29 = 582.72 : x
2. Step 2: Convert to fraction form
   1,200.39/1,799.29 = 582.72/x
3. Step 3: Cross multiply
   1,200.39x = 1,799.29 × 582.72
4. Step 4: Simplify right side
   1,200.39x = 1,048,472.97
5. Step 5: Solve for x
   x = 1,048,472.97/1,200.39
6. Step 6: Final answer
   x = 873.45