Finding the Fourth Proportional to 2,278.72, 3,419.38 and 962.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,278.72 : 3,419.38 = 962.38 : x
2. Step 2: Convert to fraction form
   2,278.72/3,419.38 = 962.38/x
3. Step 3: Cross multiply
   2,278.72x = 3,419.38 × 962.38
4. Step 4: Simplify right side
   2,278.72x = 3,290,742.92
5. Step 5: Solve for x
   x = 3,290,742.92/2,278.72
6. Step 6: Final answer
   x = 1,444.12