Finding the Fourth Proportional to 1,765.30, 2,436.22 and 1,019.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,765.30 : 2,436.22 = 1,019.39 : x
2. Step 2: Convert to fraction form
   1,765.30/2,436.22 = 1,019.39/x
3. Step 3: Cross multiply
   1,765.30x = 2,436.22 × 1,019.39
4. Step 4: Simplify right side
   1,765.30x = 2,483,458.31
5. Step 5: Solve for x
   x = 2,483,458.31/1,765.30
6. Step 6: Final answer
   x = 1,406.82