Finding the Fourth Proportional to 3,107.01, 4,659.72 and 1,257.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,107.01 : 4,659.72 = 1,257.59 : x
2. Step 2: Convert to fraction form
   3,107.01/4,659.72 = 1,257.59/x
3. Step 3: Cross multiply
   3,107.01x = 4,659.72 × 1,257.59
4. Step 4: Simplify right side
   3,107.01x = 5,859,993.98
5. Step 5: Solve for x
   x = 5,859,993.98/3,107.01
6. Step 6: Final answer
   x = 1,886.06