Finding the Fourth Proportional to 3,143.72, 4,715.82 and 1,063.64

Step by Step Solution

1. Step 1: Write the proportion equation
   3,143.72 : 4,715.82 = 1,063.64 : x
2. Step 2: Convert to fraction form
   3,143.72/4,715.82 = 1,063.64/x
3. Step 3: Cross multiply
   3,143.72x = 4,715.82 × 1,063.64
4. Step 4: Simplify right side
   3,143.72x = 5,015,934.78
5. Step 5: Solve for x
   x = 5,015,934.78/3,143.72
6. Step 6: Final answer
   x = 1,595.54