Finding the Fourth Proportional to 4,443.30, 6,665.22 and 1,521.63

Step by Step Solution

1. Step 1: Write the proportion equation
   4,443.30 : 6,665.22 = 1,521.63 : x
2. Step 2: Convert to fraction form
   4,443.30/6,665.22 = 1,521.63/x
3. Step 3: Cross multiply
   4,443.30x = 6,665.22 × 1,521.63
4. Step 4: Simplify right side
   4,443.30x = 10,141,998.71
5. Step 5: Solve for x
   x = 10,141,998.71/4,443.30
6. Step 6: Final answer
   x = 2,282.54