Finding the Fourth Proportional to 11,247.87, 16,870.35 and 3,456.03

Step by Step Solution

1. Step 1: Write the proportion equation
   11,247.87 : 16,870.35 = 3,456.03 : x
2. Step 2: Convert to fraction form
   11,247.87/16,870.35 = 3,456.03/x
3. Step 3: Cross multiply
   11,247.87x = 16,870.35 × 3,456.03
4. Step 4: Simplify right side
   11,247.87x = 58,304,435.71
5. Step 5: Solve for x
   x = 58,304,435.71/11,247.87
6. Step 6: Final answer
   x = 5,183.60