Finding the Fourth Proportional to 3,328.29, 4,992.98 and 1,019.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,328.29 : 4,992.98 = 1,019.25 : x
2. Step 2: Convert to fraction form
   3,328.29/4,992.98 = 1,019.25/x
3. Step 3: Cross multiply
   3,328.29x = 4,992.98 × 1,019.25
4. Step 4: Simplify right side
   3,328.29x = 5,089,089.77
5. Step 5: Solve for x
   x = 5,089,089.77/3,328.29
6. Step 6: Final answer
   x = 1,529.04