Finding the Fourth Proportional to 1,019.08, 1,404.31 and 723.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019.08 : 1,404.31 = 723.52 : x
2. Step 2: Convert to fraction form
   1,019.08/1,404.31 = 723.52/x
3. Step 3: Cross multiply
   1,019.08x = 1,404.31 × 723.52
4. Step 4: Simplify right side
   1,019.08x = 1,016,035.73
5. Step 5: Solve for x
   x = 1,016,035.73/1,019.08
6. Step 6: Final answer
   x = 997.02