Finding the Fourth Proportional to 2,974.28, 4,458.78 and 1,124.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,974.28 : 4,458.78 = 1,124.10 : x
2. Step 2: Convert to fraction form
   2,974.28/4,458.78 = 1,124.10/x
3. Step 3: Cross multiply
   2,974.28x = 4,458.78 × 1,124.10
4. Step 4: Simplify right side
   2,974.28x = 5,012,127.14
5. Step 5: Solve for x
   x = 5,012,127.14/2,974.28
6. Step 6: Final answer
   x = 1,685.16