Finding the Fourth Proportional to 2,974, 4,459.74 and 1,124.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,974 : 4,459.74 = 1,124.80 : x
2. Step 2: Convert to fraction form
   2,974/4,459.74 = 1,124.80/x
3. Step 3: Cross multiply
   2,974x = 4,459.74 × 1,124.80
4. Step 4: Simplify right side
   2,974x = 5,016,315.55
5. Step 5: Solve for x
   x = 5,016,315.55/2,974
6. Step 6: Final answer
   x = 1,686.72