Finding the Fourth Proportional to 9,367.28, 12,926.72 and 5,175.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,367.28 : 12,926.72 = 5,175.60 : x
2. Step 2: Convert to fraction form
   9,367.28/12,926.72 = 5,175.60/x
3. Step 3: Cross multiply
   9,367.28x = 12,926.72 × 5,175.60
4. Step 4: Simplify right side
   9,367.28x = 66,903,532.03
5. Step 5: Solve for x
   x = 66,903,532.03/9,367.28
6. Step 6: Final answer
   x = 7,142.26