Finding the Fourth Proportional to 9,662.06, 13,339.95 and 7,419.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,662.06 : 13,339.95 = 7,419.71 : x
2. Step 2: Convert to fraction form
   9,662.06/13,339.95 = 7,419.71/x
3. Step 3: Cross multiply
   9,662.06x = 13,339.95 × 7,419.71
4. Step 4: Simplify right side
   9,662.06x = 98,978,560.41
5. Step 5: Solve for x
   x = 98,978,560.41/9,662.06
6. Step 6: Final answer
   x = 10,244.04