Finding the Fourth Proportional to 13,322.27, 18,383.94 and 7,353.78

Step by Step Solution

1. Step 1: Write the proportion equation
   13,322.27 : 18,383.94 = 7,353.78 : x
2. Step 2: Convert to fraction form
   13,322.27/18,383.94 = 7,353.78/x
3. Step 3: Cross multiply
   13,322.27x = 18,383.94 × 7,353.78
4. Step 4: Simplify right side
   13,322.27x = 135,191,450.29
5. Step 5: Solve for x
   x = 135,191,450.29/13,322.27
6. Step 6: Final answer
   x = 10,147.78