Finding the Fourth Proportional to 9,647.21, 14,475.31 and 3,411.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,647.21 : 14,475.31 = 3,411.94 : x
2. Step 2: Convert to fraction form
   9,647.21/14,475.31 = 3,411.94/x
3. Step 3: Cross multiply
   9,647.21x = 14,475.31 × 3,411.94
4. Step 4: Simplify right side
   9,647.21x = 49,388,889.20
5. Step 5: Solve for x
   x = 49,388,889.20/9,647.21
6. Step 6: Final answer
   x = 5,119.50