Finding the Fourth Proportional to 8,239.37, 12,348.72 and 3,554.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,239.37 : 12,348.72 = 3,554.06 : x
2. Step 2: Convert to fraction form
   8,239.37/12,348.72 = 3,554.06/x
3. Step 3: Cross multiply
   8,239.37x = 12,348.72 × 3,554.06
4. Step 4: Simplify right side
   8,239.37x = 43,888,030.06
5. Step 5: Solve for x
   x = 43,888,030.06/8,239.37
6. Step 6: Final answer
   x = 5,326.63