Finding the Fourth Proportional to 2,742.38, 3,784.28 and 1,563.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,742.38 : 3,784.28 = 1,563.22 : x
2. Step 2: Convert to fraction form
   2,742.38/3,784.28 = 1,563.22/x
3. Step 3: Cross multiply
   2,742.38x = 3,784.28 × 1,563.22
4. Step 4: Simplify right side
   2,742.38x = 5,915,662.18
5. Step 5: Solve for x
   x = 5,915,662.18/2,742.38
6. Step 6: Final answer
   x = 2,157.13