Finding the Fourth Proportional to 3,521.83, 5,282.89 and 1,330.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,521.83 : 5,282.89 = 1,330.73 : x
2. Step 2: Convert to fraction form
   3,521.83/5,282.89 = 1,330.73/x
3. Step 3: Cross multiply
   3,521.83x = 5,282.89 × 1,330.73
4. Step 4: Simplify right side
   3,521.83x = 7,030,067.14
5. Step 5: Solve for x
   x = 7,030,067.14/3,521.83
6. Step 6: Final answer
   x = 1,996.14