Finding the Fourth Proportional to 3,139.72, 4,710.94 and 1,496.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,139.72 : 4,710.94 = 1,496.28 : x
2. Step 2: Convert to fraction form
   3,139.72/4,710.94 = 1,496.28/x
3. Step 3: Cross multiply
   3,139.72x = 4,710.94 × 1,496.28
4. Step 4: Simplify right side
   3,139.72x = 7,048,885.30
5. Step 5: Solve for x
   x = 7,048,885.30/3,139.72
6. Step 6: Final answer
   x = 2,245.07