Finding the Fourth Proportional to 2,313.81, 3,469.46 and 1,141.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,313.81 : 3,469.46 = 1,141.25 : x
2. Step 2: Convert to fraction form
   2,313.81/3,469.46 = 1,141.25/x
3. Step 3: Cross multiply
   2,313.81x = 3,469.46 × 1,141.25
4. Step 4: Simplify right side
   2,313.81x = 3,959,498.17
5. Step 5: Solve for x
   x = 3,959,498.17/2,313.81
6. Step 6: Final answer
   x = 1,711.25