Finding the Fourth Proportional to 1,998.06, 2,994.30 and 1,022.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,998.06 : 2,994.30 = 1,022.10 : x
2. Step 2: Convert to fraction form
   1,998.06/2,994.30 = 1,022.10/x
3. Step 3: Cross multiply
   1,998.06x = 2,994.30 × 1,022.10
4. Step 4: Simplify right side
   1,998.06x = 3,060,474.03
5. Step 5: Solve for x
   x = 3,060,474.03/1,998.06
6. Step 6: Final answer
   x = 1,531.72