Finding the Fourth Proportional to 2,141.82, 2,955.60 and 1,258.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141.82 : 2,955.60 = 1,258.11 : x
2. Step 2: Convert to fraction form
   2,141.82/2,955.60 = 1,258.11/x
3. Step 3: Cross multiply
   2,141.82x = 2,955.60 × 1,258.11
4. Step 4: Simplify right side
   2,141.82x = 3,718,469.92
5. Step 5: Solve for x
   x = 3,718,469.92/2,141.82
6. Step 6: Final answer
   x = 1,736.13