Finding the Fourth Proportional to 2,412.72, 3,616.20 and 951.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,412.72 : 3,616.20 = 951.12 : x
2. Step 2: Convert to fraction form
   2,412.72/3,616.20 = 951.12/x
3. Step 3: Cross multiply
   2,412.72x = 3,616.20 × 951.12
4. Step 4: Simplify right side
   2,412.72x = 3,439,440.14
5. Step 5: Solve for x
   x = 3,439,440.14/2,412.72
6. Step 6: Final answer
   x = 1,425.54