Finding the Fourth Proportional to 1,765.48, 2,436.32 and 1,019.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,765.48 : 2,436.32 = 1,019.42 : x
2. Step 2: Convert to fraction form
   1,765.48/2,436.32 = 1,019.42/x
3. Step 3: Cross multiply
   1,765.48x = 2,436.32 × 1,019.42
4. Step 4: Simplify right side
   1,765.48x = 2,483,633.33
5. Step 5: Solve for x
   x = 2,483,633.33/1,765.48
6. Step 6: Final answer
   x = 1,406.78