Finding the Fourth Proportional to 13,448.82, 18,559.82 and 7,399.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,448.82 : 18,559.82 = 7,399.32 : x
2. Step 2: Convert to fraction form
   13,448.82/18,559.82 = 7,399.32/x
3. Step 3: Cross multiply
   13,448.82x = 18,559.82 × 7,399.32
4. Step 4: Simplify right side
   13,448.82x = 137,330,047.32
5. Step 5: Solve for x
   x = 137,330,047.32/13,448.82
6. Step 6: Final answer
   x = 10,211.31