Finding the Fourth Proportional to 3,620.34, 5,435.82 and 2,239.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,620.34 : 5,435.82 = 2,239.56 : x
2. Step 2: Convert to fraction form
   3,620.34/5,435.82 = 2,239.56/x
3. Step 3: Cross multiply
   3,620.34x = 5,435.82 × 2,239.56
4. Step 4: Simplify right side
   3,620.34x = 12,173,845.04
5. Step 5: Solve for x
   x = 12,173,845.04/3,620.34
6. Step 6: Final answer
   x = 3,362.62