Finding the Fourth Proportional to 5,939.31, 8,196.56 and 3,581.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,939.31 : 8,196.56 = 3,581.61 : x
2. Step 2: Convert to fraction form
   5,939.31/8,196.56 = 3,581.61/x
3. Step 3: Cross multiply
   5,939.31x = 8,196.56 × 3,581.61
4. Step 4: Simplify right side
   5,939.31x = 29,356,881.26
5. Step 5: Solve for x
   x = 29,356,881.26/5,939.31
6. Step 6: Final answer
   x = 4,942.81