Finding the Fourth Proportional to 1,674.91, 2,309.98 and 1,256.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,674.91 : 2,309.98 = 1,256.25 : x
2. Step 2: Convert to fraction form
   1,674.91/2,309.98 = 1,256.25/x
3. Step 3: Cross multiply
   1,674.91x = 2,309.98 × 1,256.25
4. Step 4: Simplify right side
   1,674.91x = 2,901,912.38
5. Step 5: Solve for x
   x = 2,901,912.38/1,674.91
6. Step 6: Final answer
   x = 1,732.58