Finding the Fourth Proportional to 3,449.81, 5,175.54 and 1,141.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,449.81 : 5,175.54 = 1,141.31 : x
2. Step 2: Convert to fraction form
   3,449.81/5,175.54 = 1,141.31/x
3. Step 3: Cross multiply
   3,449.81x = 5,175.54 × 1,141.31
4. Step 4: Simplify right side
   3,449.81x = 5,906,908.50
5. Step 5: Solve for x
   x = 5,906,908.50/3,449.81
6. Step 6: Final answer
   x = 1,712.24