Finding the Fourth Proportional to 3,108.02, 4,660.59 and 1,257.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,108.02 : 4,660.59 = 1,257.59 : x
2. Step 2: Convert to fraction form
   3,108.02/4,660.59 = 1,257.59/x
3. Step 3: Cross multiply
   3,108.02x = 4,660.59 × 1,257.59
4. Step 4: Simplify right side
   3,108.02x = 5,861,111.38
5. Step 5: Solve for x
   x = 5,861,111.38/3,108.02
6. Step 6: Final answer
   x = 1,885.80