Finding the Fourth Proportional to 2,012.92, 3,019.80 and 607.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.92 : 3,019.80 = 607.37 : x
2. Step 2: Convert to fraction form
   2,012.92/3,019.80 = 607.37/x
3. Step 3: Cross multiply
   2,012.92x = 3,019.80 × 607.37
4. Step 4: Simplify right side
   2,012.92x = 1,834,119.69
5. Step 5: Solve for x
   x = 1,834,119.69/2,012.92
6. Step 6: Final answer
   x = 911.17