Finding the Fourth Proportional to 2,742.45, 3,784.59 and 1,563.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,742.45 : 3,784.59 = 1,563.54 : x
2. Step 2: Convert to fraction form
   2,742.45/3,784.59 = 1,563.54/x
3. Step 3: Cross multiply
   2,742.45x = 3,784.59 × 1,563.54
4. Step 4: Simplify right side
   2,742.45x = 5,917,357.85
5. Step 5: Solve for x
   x = 5,917,357.85/2,742.45
6. Step 6: Final answer
   x = 2,157.69