Finding the Fourth Proportional to 2,742.30, 3,784.47 and 1,563.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,742.30 : 3,784.47 = 1,563.18 : x
2. Step 2: Convert to fraction form
   2,742.30/3,784.47 = 1,563.18/x
3. Step 3: Cross multiply
   2,742.30x = 3,784.47 × 1,563.18
4. Step 4: Simplify right side
   2,742.30x = 5,915,807.81
5. Step 5: Solve for x
   x = 5,915,807.81/2,742.30
6. Step 6: Final answer
   x = 2,157.24