Finding the Fourth Proportional to 1,993.16, 2,990.34 and 1,019.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,993.16 : 2,990.34 = 1,019.94 : x
2. Step 2: Convert to fraction form
   1,993.16/2,990.34 = 1,019.94/x
3. Step 3: Cross multiply
   1,993.16x = 2,990.34 × 1,019.94
4. Step 4: Simplify right side
   1,993.16x = 3,049,967.38
5. Step 5: Solve for x
   x = 3,049,967.38/1,993.16
6. Step 6: Final answer
   x = 1,530.22