Finding the Fourth Proportional to 1,885.71, 2,601.41 and 1,256.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,885.71 : 2,601.41 = 1,256.07 : x
2. Step 2: Convert to fraction form
   1,885.71/2,601.41 = 1,256.07/x
3. Step 3: Cross multiply
   1,885.71x = 2,601.41 × 1,256.07
4. Step 4: Simplify right side
   1,885.71x = 3,267,546.78
5. Step 5: Solve for x
   x = 3,267,546.78/1,885.71
6. Step 6: Final answer
   x = 1,732.79