Finding the Fourth Proportional to 3,315.69, 4,974.24 and 1,124.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,315.69 : 4,974.24 = 1,124.37 : x
2. Step 2: Convert to fraction form
   3,315.69/4,974.24 = 1,124.37/x
3. Step 3: Cross multiply
   3,315.69x = 4,974.24 × 1,124.37
4. Step 4: Simplify right side
   3,315.69x = 5,592,886.23
5. Step 5: Solve for x
   x = 5,592,886.23/3,315.69
6. Step 6: Final answer
   x = 1,686.79