Finding the Fourth Proportional to 2,449.92, 3,379.47 and 1,564.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,449.92 : 3,379.47 = 1,564.73 : x
2. Step 2: Convert to fraction form
   2,449.92/3,379.47 = 1,564.73/x
3. Step 3: Cross multiply
   2,449.92x = 3,379.47 × 1,564.73
4. Step 4: Simplify right side
   2,449.92x = 5,287,941.20
5. Step 5: Solve for x
   x = 5,287,941.20/2,449.92
6. Step 6: Final answer
   x = 2,158.41