Finding the Fourth Proportional to 2,443.43, 3,666.66 and 1,520.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.43 : 3,666.66 = 1,520.79 : x
2. Step 2: Convert to fraction form
   2,443.43/3,666.66 = 1,520.79/x
3. Step 3: Cross multiply
   2,443.43x = 3,666.66 × 1,520.79
4. Step 4: Simplify right side
   2,443.43x = 5,576,219.86
5. Step 5: Solve for x
   x = 5,576,219.86/2,443.43
6. Step 6: Final answer
   x = 2,282.13