Finding the Fourth Proportional to 2,400.72, 3,313.62 and 1,563.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,400.72 : 3,313.62 = 1,563.72 : x
2. Step 2: Convert to fraction form
   2,400.72/3,313.62 = 1,563.72/x
3. Step 3: Cross multiply
   2,400.72x = 3,313.62 × 1,563.72
4. Step 4: Simplify right side
   2,400.72x = 5,181,573.87
5. Step 5: Solve for x
   x = 5,181,573.87/2,400.72
6. Step 6: Final answer
   x = 2,158.34