Finding the Fourth Proportional to 2,012.42, 3,019.15 and 696.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.42 : 3,019.15 = 696.44 : x
2. Step 2: Convert to fraction form
   2,012.42/3,019.15 = 696.44/x
3. Step 3: Cross multiply
   2,012.42x = 3,019.15 × 696.44
4. Step 4: Simplify right side
   2,012.42x = 2,102,656.83
5. Step 5: Solve for x
   x = 2,102,656.83/2,012.42
6. Step 6: Final answer
   x = 1,044.84