Finding the Fourth Proportional to 2,273.72, 3,410.78 and 974.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,273.72 : 3,410.78 = 974.88 : x
2. Step 2: Convert to fraction form
   2,273.72/3,410.78 = 974.88/x
3. Step 3: Cross multiply
   2,273.72x = 3,410.78 × 974.88
4. Step 4: Simplify right side
   2,273.72x = 3,325,096.33
5. Step 5: Solve for x
   x = 3,325,096.33/2,273.72
6. Step 6: Final answer
   x = 1,462.41