Finding the Fourth Proportional to 2,019.66, 2,784.12 and 1,233.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.66 : 2,784.12 = 1,233.18 : x
2. Step 2: Convert to fraction form
   2,019.66/2,784.12 = 1,233.18/x
3. Step 3: Cross multiply
   2,019.66x = 2,784.12 × 1,233.18
4. Step 4: Simplify right side
   2,019.66x = 3,433,321.10
5. Step 5: Solve for x
   x = 3,433,321.10/2,019.66
6. Step 6: Final answer
   x = 1,699.95