Finding the Fourth Proportional to 8,234.38, 12,342.72 and 3,556.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,234.38 : 12,342.72 = 3,556.60 : x
2. Step 2: Convert to fraction form
   8,234.38/12,342.72 = 3,556.60/x
3. Step 3: Cross multiply
   8,234.38x = 12,342.72 × 3,556.60
4. Step 4: Simplify right side
   8,234.38x = 43,898,117.95
5. Step 5: Solve for x
   x = 43,898,117.95/8,234.38
6. Step 6: Final answer
   x = 5,331.08