Finding the Fourth Proportional to 1,004.22, 1,504.71 and 593.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,004.22 : 1,504.71 = 593.73 : x
2. Step 2: Convert to fraction form
   1,004.22/1,504.71 = 593.73/x
3. Step 3: Cross multiply
   1,004.22x = 1,504.71 × 593.73
4. Step 4: Simplify right side
   1,004.22x = 893,391.47
5. Step 5: Solve for x
   x = 893,391.47/1,004.22
6. Step 6: Final answer
   x = 889.64