Finding the Fourth Proportional to 3,404.82, 5,072.98 and 3,181.26

Step by Step Solution

1. Step 1: Write the proportion equation
   3,404.82 : 5,072.98 = 3,181.26 : x
2. Step 2: Convert to fraction form
   3,404.82/5,072.98 = 3,181.26/x
3. Step 3: Cross multiply
   3,404.82x = 5,072.98 × 3,181.26
4. Step 4: Simplify right side
   3,404.82x = 16,138,468.35
5. Step 5: Solve for x
   x = 16,138,468.35/3,404.82
6. Step 6: Final answer
   x = 4,739.89