Finding the Fourth Proportional to 2,141.10, 2,954.88 and 1,256.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141.10 : 2,954.88 = 1,256.58 : x
2. Step 2: Convert to fraction form
   2,141.10/2,954.88 = 1,256.58/x
3. Step 3: Cross multiply
   2,141.10x = 2,954.88 × 1,256.58
4. Step 4: Simplify right side
   2,141.10x = 3,713,043.11
5. Step 5: Solve for x
   x = 3,713,043.11/2,141.10
6. Step 6: Final answer
   x = 1,734.18