Finding the Fourth Proportional to 4,443.25, 6,665.91 and 1,521.56

Step by Step Solution

1. Step 1: Write the proportion equation
   4,443.25 : 6,665.91 = 1,521.56 : x
2. Step 2: Convert to fraction form
   4,443.25/6,665.91 = 1,521.56/x
3. Step 3: Cross multiply
   4,443.25x = 6,665.91 × 1,521.56
4. Step 4: Simplify right side
   4,443.25x = 10,142,582.02
5. Step 5: Solve for x
   x = 10,142,582.02/4,443.25
6. Step 6: Final answer
   x = 2,282.69