Finding the Fourth Proportional to 7,147.91, 10,721.34 and 2,404.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,147.91 : 10,721.34 = 2,404.10 : x
2. Step 2: Convert to fraction form
   7,147.91/10,721.34 = 2,404.10/x
3. Step 3: Cross multiply
   7,147.91x = 10,721.34 × 2,404.10
4. Step 4: Simplify right side
   7,147.91x = 25,775,119.89
5. Step 5: Solve for x
   x = 25,775,119.89/7,147.91
6. Step 6: Final answer
   x = 3,605.97