Finding the Fourth Proportional to 2,418.72, 3,624.72 and 1,262.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,418.72 : 3,624.72 = 1,262.16 : x
2. Step 2: Convert to fraction form
   2,418.72/3,624.72 = 1,262.16/x
3. Step 3: Cross multiply
   2,418.72x = 3,624.72 × 1,262.16
4. Step 4: Simplify right side
   2,418.72x = 4,574,976.60
5. Step 5: Solve for x
   x = 4,574,976.60/2,418.72
6. Step 6: Final answer
   x = 1,891.49