Finding the Fourth Proportional to 2,034.72, 2,808 and 1,563.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,034.72 : 2,808 = 1,563.30 : x
2. Step 2: Convert to fraction form
   2,034.72/2,808 = 1,563.30/x
3. Step 3: Cross multiply
   2,034.72x = 2,808 × 1,563.30
4. Step 4: Simplify right side
   2,034.72x = 4,389,746.40
5. Step 5: Solve for x
   x = 4,389,746.40/2,034.72
6. Step 6: Final answer
   x = 2,157.42