Finding the Fourth Proportional to 1,765.47, 2,436.31 and 1,019.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,765.47 : 2,436.31 = 1,019.37 : x
2. Step 2: Convert to fraction form
   1,765.47/2,436.31 = 1,019.37/x
3. Step 3: Cross multiply
   1,765.47x = 2,436.31 × 1,019.37
4. Step 4: Simplify right side
   1,765.47x = 2,483,501.32
5. Step 5: Solve for x
   x = 2,483,501.32/1,765.47
6. Step 6: Final answer
   x = 1,406.71