Finding the Fourth Proportional to 3,429.72, 5,147.04 and 2,566.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429.72 : 5,147.04 = 2,566.32 : x
2. Step 2: Convert to fraction form
   3,429.72/5,147.04 = 2,566.32/x
3. Step 3: Cross multiply
   3,429.72x = 5,147.04 × 2,566.32
4. Step 4: Simplify right side
   3,429.72x = 13,208,951.69
5. Step 5: Solve for x
   x = 13,208,951.69/3,429.72
6. Step 6: Final answer
   x = 3,851.32