Finding the Fourth Proportional to 3,521.07, 5,282.52 and 1,329.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,521.07 : 5,282.52 = 1,329.82 : x
2. Step 2: Convert to fraction form
   3,521.07/5,282.52 = 1,329.82/x
3. Step 3: Cross multiply
   3,521.07x = 5,282.52 × 1,329.82
4. Step 4: Simplify right side
   3,521.07x = 7,024,782.55
5. Step 5: Solve for x
   x = 7,024,782.55/3,521.07
6. Step 6: Final answer
   x = 1,995.07