Finding the Fourth Proportional to 1,682.84, 2,321.69 and 1,019.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,682.84 : 2,321.69 = 1,019.45 : x
2. Step 2: Convert to fraction form
   1,682.84/2,321.69 = 1,019.45/x
3. Step 3: Cross multiply
   1,682.84x = 2,321.69 × 1,019.45
4. Step 4: Simplify right side
   1,682.84x = 2,366,847.58
5. Step 5: Solve for x
   x = 2,366,847.58/1,682.84
6. Step 6: Final answer
   x = 1,406.46