Finding the Fourth Proportional to 9,667.84, 13,341.62 and 5,418.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,667.84 : 13,341.62 = 5,418.94 : x
2. Step 2: Convert to fraction form
   9,667.84/13,341.62 = 5,418.94/x
3. Step 3: Cross multiply
   9,667.84x = 13,341.62 × 5,418.94
4. Step 4: Simplify right side
   9,667.84x = 72,297,438.28
5. Step 5: Solve for x
   x = 72,297,438.28/9,667.84
6. Step 6: Final answer
   x = 7,478.14