Finding the Fourth Proportional to 13,443.45, 18,552.09 and 7,393.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,443.45 : 18,552.09 = 7,393.83 : x
2. Step 2: Convert to fraction form
   13,443.45/18,552.09 = 7,393.83/x
3. Step 3: Cross multiply
   13,443.45x = 18,552.09 × 7,393.83
4. Step 4: Simplify right side
   13,443.45x = 137,170,999.60
5. Step 5: Solve for x
   x = 137,170,999.60/13,443.45
6. Step 6: Final answer
   x = 10,203.56