Finding the Fourth Proportional to 3,521.05, 5,281.56 and 1,442.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,521.05 : 5,281.56 = 1,442.02 : x
2. Step 2: Convert to fraction form
   3,521.05/5,281.56 = 1,442.02/x
3. Step 3: Cross multiply
   3,521.05x = 5,281.56 × 1,442.02
4. Step 4: Simplify right side
   3,521.05x = 7,616,115.15
5. Step 5: Solve for x
   x = 7,616,115.15/3,521.05
6. Step 6: Final answer
   x = 2,163.02