Finding the Fourth Proportional to 2,563.52, 3,845.12 and 714.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,563.52 : 3,845.12 = 714.89 : x
2. Step 2: Convert to fraction form
   2,563.52/3,845.12 = 714.89/x
3. Step 3: Cross multiply
   2,563.52x = 3,845.12 × 714.89
4. Step 4: Simplify right side
   2,563.52x = 2,748,815.04
5. Step 5: Solve for x
   x = 2,748,815.04/2,563.52
6. Step 6: Final answer
   x = 1,072.28