Finding the Fourth Proportional to 11,441.53, 17,168.18 and 8,667.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,441.53 : 17,168.18 = 8,667.28 : x
2. Step 2: Convert to fraction form
   11,441.53/17,168.18 = 8,667.28/x
3. Step 3: Cross multiply
   11,441.53x = 17,168.18 × 8,667.28
4. Step 4: Simplify right side
   11,441.53x = 148,801,423.15
5. Step 5: Solve for x
   x = 148,801,423.15/11,441.53
6. Step 6: Final answer
   x = 13,005.38