Finding the Fourth Proportional to 9,667.49, 13,340.43 and 5,417.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,667.49 : 13,340.43 = 5,417.96 : x
2. Step 2: Convert to fraction form
   9,667.49/13,340.43 = 5,417.96/x
3. Step 3: Cross multiply
   9,667.49x = 13,340.43 × 5,417.96
4. Step 4: Simplify right side
   9,667.49x = 72,277,849.42
5. Step 5: Solve for x
   x = 72,277,849.42/9,667.49
6. Step 6: Final answer
   x = 7,476.39