Finding the Fourth Proportional to 3,566.47, 5,323.57 and 3,145.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,566.47 : 5,323.57 = 3,145.63 : x
2. Step 2: Convert to fraction form
   3,566.47/5,323.57 = 3,145.63/x
3. Step 3: Cross multiply
   3,566.47x = 5,323.57 × 3,145.63
4. Step 4: Simplify right side
   3,566.47x = 16,745,960.33
5. Step 5: Solve for x
   x = 16,745,960.33/3,566.47
6. Step 6: Final answer
   x = 4,695.39