Finding the Fourth Proportional to 1,765.63, 2,436.34 and 1,019.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,765.63 : 2,436.34 = 1,019.59 : x
2. Step 2: Convert to fraction form
   1,765.63/2,436.34 = 1,019.59/x
3. Step 3: Cross multiply
   1,765.63x = 2,436.34 × 1,019.59
4. Step 4: Simplify right side
   1,765.63x = 2,484,067.90
5. Step 5: Solve for x
   x = 2,484,067.90/1,765.63
6. Step 6: Final answer
   x = 1,406.90