Finding the Fourth Proportional to 2,730.24, 4,096.32 and 1,345.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,730.24 : 4,096.32 = 1,345.20 : x
2. Step 2: Convert to fraction form
   2,730.24/4,096.32 = 1,345.20/x
3. Step 3: Cross multiply
   2,730.24x = 4,096.32 × 1,345.20
4. Step 4: Simplify right side
   2,730.24x = 5,510,369.66
5. Step 5: Solve for x
   x = 5,510,369.66/2,730.24
6. Step 6: Final answer
   x = 2,018.27