Finding the Fourth Proportional to 2,491.69, 3,734.33 and 1,256.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,491.69 : 3,734.33 = 1,256.34 : x
2. Step 2: Convert to fraction form
   2,491.69/3,734.33 = 1,256.34/x
3. Step 3: Cross multiply
   2,491.69x = 3,734.33 × 1,256.34
4. Step 4: Simplify right side
   2,491.69x = 4,691,588.15
5. Step 5: Solve for x
   x = 4,691,588.15/2,491.69
6. Step 6: Final answer
   x = 1,882.89