Finding the Fourth Proportional to 1,694.56, 2,339.49 and 1,271.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,694.56 : 2,339.49 = 1,271.50 : x
2. Step 2: Convert to fraction form
   1,694.56/2,339.49 = 1,271.50/x
3. Step 3: Cross multiply
   1,694.56x = 2,339.49 × 1,271.50
4. Step 4: Simplify right side
   1,694.56x = 2,974,661.54
5. Step 5: Solve for x
   x = 2,974,661.54/1,694.56
6. Step 6: Final answer
   x = 1,755.42