Finding the Fourth Proportional to 1,997.80, 2,994.54 and 1,022.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.80 : 2,994.54 = 1,022.56 : x
2. Step 2: Convert to fraction form
   1,997.80/2,994.54 = 1,022.56/x
3. Step 3: Cross multiply
   1,997.80x = 2,994.54 × 1,022.56
4. Step 4: Simplify right side
   1,997.80x = 3,062,096.82
5. Step 5: Solve for x
   x = 3,062,096.82/1,997.80
6. Step 6: Final answer
   x = 1,532.73