Finding the Fourth Proportional to 3,941.77, 5,434.59 and 3,231.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,941.77 : 5,434.59 = 3,231.04 : x
2. Step 2: Convert to fraction form
   3,941.77/5,434.59 = 3,231.04/x
3. Step 3: Cross multiply
   3,941.77x = 5,434.59 × 3,231.04
4. Step 4: Simplify right side
   3,941.77x = 17,559,377.67
5. Step 5: Solve for x
   x = 17,559,377.67/3,941.77
6. Step 6: Final answer
   x = 4,454.69