Finding the Fourth Proportional to 3,484.61, 5,227.73 and 1,019.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,484.61 : 5,227.73 = 1,019.47 : x
2. Step 2: Convert to fraction form
   3,484.61/5,227.73 = 1,019.47/x
3. Step 3: Cross multiply
   3,484.61x = 5,227.73 × 1,019.47
4. Step 4: Simplify right side
   3,484.61x = 5,329,513.90
5. Step 5: Solve for x
   x = 5,329,513.90/3,484.61
6. Step 6: Final answer
   x = 1,529.44