Finding the Fourth Proportional to 9,367.56, 12,926.88 and 5,388.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,367.56 : 12,926.88 = 5,388.62 : x
2. Step 2: Convert to fraction form
   9,367.56/12,926.88 = 5,388.62/x
3. Step 3: Cross multiply
   9,367.56x = 12,926.88 × 5,388.62
4. Step 4: Simplify right side
   9,367.56x = 69,658,044.11
5. Step 5: Solve for x
   x = 69,658,044.11/9,367.56
6. Step 6: Final answer
   x = 7,436.09