Finding the Fourth Proportional to 2,023.16, 3,036.24 and 928.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,023.16 : 3,036.24 = 928.31 : x
2. Step 2: Convert to fraction form
   2,023.16/3,036.24 = 928.31/x
3. Step 3: Cross multiply
   2,023.16x = 3,036.24 × 928.31
4. Step 4: Simplify right side
   2,023.16x = 2,818,556.77
5. Step 5: Solve for x
   x = 2,818,556.77/2,023.16
6. Step 6: Final answer
   x = 1,393.15