Finding the Fourth Proportional to 2,443.39, 3,666.90 and 1,520.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.39 : 3,666.90 = 1,520.29 : x
2. Step 2: Convert to fraction form
   2,443.39/3,666.90 = 1,520.29/x
3. Step 3: Cross multiply
   2,443.39x = 3,666.90 × 1,520.29
4. Step 4: Simplify right side
   2,443.39x = 5,574,751.40
5. Step 5: Solve for x
   x = 5,574,751.40/2,443.39
6. Step 6: Final answer
   x = 2,281.56