Finding the Fourth Proportional to 2,982.42, 4,475.25 and 1,227.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,982.42 : 4,475.25 = 1,227.15 : x
2. Step 2: Convert to fraction form
   2,982.42/4,475.25 = 1,227.15/x
3. Step 3: Cross multiply
   2,982.42x = 4,475.25 × 1,227.15
4. Step 4: Simplify right side
   2,982.42x = 5,491,803.04
5. Step 5: Solve for x
   x = 5,491,803.04/2,982.42
6. Step 6: Final answer
   x = 1,841.39