Finding the Fourth Proportional to 9,663.94, 13,334.72 and 5,414.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,663.94 : 13,334.72 = 5,414.68 : x
2. Step 2: Convert to fraction form
   9,663.94/13,334.72 = 5,414.68/x
3. Step 3: Cross multiply
   9,663.94x = 13,334.72 × 5,414.68
4. Step 4: Simplify right side
   9,663.94x = 72,203,241.69
5. Step 5: Solve for x
   x = 72,203,241.69/9,663.94
6. Step 6: Final answer
   x = 7,471.41