Finding the Fourth Proportional to 8,556.34, 12,835.32 and 3,361

Step by Step Solution

1. Step 1: Write the proportion equation
   8,556.34 : 12,835.32 = 3,361 : x
2. Step 2: Convert to fraction form
   8,556.34/12,835.32 = 3,361/x
3. Step 3: Cross multiply
   8,556.34x = 12,835.32 × 3,361
4. Step 4: Simplify right side
   8,556.34x = 43,139,510.52
5. Step 5: Solve for x
   x = 43,139,510.52/8,556.34
6. Step 6: Final answer
   x = 5,041.82