Finding the Fourth Proportional to 3,668.47, 5,061.56 and 2,176.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,668.47 : 5,061.56 = 2,176.31 : x
2. Step 2: Convert to fraction form
   3,668.47/5,061.56 = 2,176.31/x
3. Step 3: Cross multiply
   3,668.47x = 5,061.56 × 2,176.31
4. Step 4: Simplify right side
   3,668.47x = 11,015,525.42
5. Step 5: Solve for x
   x = 11,015,525.42/3,668.47
6. Step 6: Final answer
   x = 3,002.76