Finding the Fourth Proportional to 2,300.34, 3,450.49 and 1,520.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.34 : 3,450.49 = 1,520.15 : x
2. Step 2: Convert to fraction form
   2,300.34/3,450.49 = 1,520.15/x
3. Step 3: Cross multiply
   2,300.34x = 3,450.49 × 1,520.15
4. Step 4: Simplify right side
   2,300.34x = 5,245,270.43
5. Step 5: Solve for x
   x = 5,245,270.43/2,300.34
6. Step 6: Final answer
   x = 2,280.22