Finding the Fourth Proportional to 1,995.05, 2,989.82 and 1,019.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,995.05 : 2,989.82 = 1,019.12 : x
2. Step 2: Convert to fraction form
   1,995.05/2,989.82 = 1,019.12/x
3. Step 3: Cross multiply
   1,995.05x = 2,989.82 × 1,019.12
4. Step 4: Simplify right side
   1,995.05x = 3,046,965.31
5. Step 5: Solve for x
   x = 3,046,965.31/1,995.05
6. Step 6: Final answer
   x = 1,527.27