Finding the Fourth Proportional to 1,994.56, 2,990.46 and 1,019.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,994.56 : 2,990.46 = 1,019.99 : x
2. Step 2: Convert to fraction form
   1,994.56/2,990.46 = 1,019.99/x
3. Step 3: Cross multiply
   1,994.56x = 2,990.46 × 1,019.99
4. Step 4: Simplify right side
   1,994.56x = 3,050,239.30
5. Step 5: Solve for x
   x = 3,050,239.30/1,994.56
6. Step 6: Final answer
   x = 1,529.28