Finding the Fourth Proportional to 1,465.30, 2,018.70 and 1,022.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,465.30 : 2,018.70 = 1,022.42 : x
2. Step 2: Convert to fraction form
   1,465.30/2,018.70 = 1,022.42/x
3. Step 3: Cross multiply
   1,465.30x = 2,018.70 × 1,022.42
4. Step 4: Simplify right side
   1,465.30x = 2,063,959.25
5. Step 5: Solve for x
   x = 2,063,959.25/1,465.30
6. Step 6: Final answer
   x = 1,408.56