Finding the Fourth Proportional to 3,484.90, 5,227.71 and 1,019.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,484.90 : 5,227.71 = 1,019.77 : x
2. Step 2: Convert to fraction form
   3,484.90/5,227.71 = 1,019.77/x
3. Step 3: Cross multiply
   3,484.90x = 5,227.71 × 1,019.77
4. Step 4: Simplify right side
   3,484.90x = 5,331,061.83
5. Step 5: Solve for x
   x = 5,331,061.83/3,484.90
6. Step 6: Final answer
   x = 1,529.76