Finding the Fourth Proportional to 3,484.85, 5,227.61 and 1,019.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,484.85 : 5,227.61 = 1,019.69 : x
2. Step 2: Convert to fraction form
   3,484.85/5,227.61 = 1,019.69/x
3. Step 3: Cross multiply
   3,484.85x = 5,227.61 × 1,019.69
4. Step 4: Simplify right side
   3,484.85x = 5,330,538.61
5. Step 5: Solve for x
   x = 5,330,538.61/3,484.85
6. Step 6: Final answer
   x = 1,529.63