Finding the Fourth Proportional to 2,118.44, 3,172.59 and 1,019.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118.44 : 3,172.59 = 1,019.27 : x
2. Step 2: Convert to fraction form
   2,118.44/3,172.59 = 1,019.27/x
3. Step 3: Cross multiply
   2,118.44x = 3,172.59 × 1,019.27
4. Step 4: Simplify right side
   2,118.44x = 3,233,709.95
5. Step 5: Solve for x
   x = 3,233,709.95/2,118.44
6. Step 6: Final answer
   x = 1,526.46