Finding the Fourth Proportional to 9,353.35, 12,908.82 and 5,375.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,353.35 : 12,908.82 = 5,375.23 : x
2. Step 2: Convert to fraction form
   9,353.35/12,908.82 = 5,375.23/x
3. Step 3: Cross multiply
   9,353.35x = 12,908.82 × 5,375.23
4. Step 4: Simplify right side
   9,353.35x = 69,387,876.53
5. Step 5: Solve for x
   x = 69,387,876.53/9,353.35
6. Step 6: Final answer
   x = 7,418.51