Finding the Fourth Proportional to 2,012.41, 3,019.13 and 779.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.41 : 3,019.13 = 779.48 : x
2. Step 2: Convert to fraction form
   2,012.41/3,019.13 = 779.48/x
3. Step 3: Cross multiply
   2,012.41x = 3,019.13 × 779.48
4. Step 4: Simplify right side
   2,012.41x = 2,353,351.45
5. Step 5: Solve for x
   x = 2,353,351.45/2,012.41
6. Step 6: Final answer
   x = 1,169.42