Finding the Fourth Proportional to 9,353.93, 12,908.09 and 5,162.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,353.93 : 12,908.09 = 5,162.09 : x
2. Step 2: Convert to fraction form
   9,353.93/12,908.09 = 5,162.09/x
3. Step 3: Cross multiply
   9,353.93x = 12,908.09 × 5,162.09
4. Step 4: Simplify right side
   9,353.93x = 66,632,696.50
5. Step 5: Solve for x
   x = 66,632,696.50/9,353.93
6. Step 6: Final answer
   x = 7,123.50