Finding the Fourth Proportional to 2,742.51, 3,783.78 and 1,563.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,742.51 : 3,783.78 = 1,563.36 : x
2. Step 2: Convert to fraction form
   2,742.51/3,783.78 = 1,563.36/x
3. Step 3: Cross multiply
   2,742.51x = 3,783.78 × 1,563.36
4. Step 4: Simplify right side
   2,742.51x = 5,915,410.30
5. Step 5: Solve for x
   x = 5,915,410.30/2,742.51
6. Step 6: Final answer
   x = 2,156.93