Finding the Fourth Proportional to 2,063.39, 2,846.42 and 1,223.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,063.39 : 2,846.42 = 1,223.69 : x
2. Step 2: Convert to fraction form
   2,063.39/2,846.42 = 1,223.69/x
3. Step 3: Cross multiply
   2,063.39x = 2,846.42 × 1,223.69
4. Step 4: Simplify right side
   2,063.39x = 3,483,119.93
5. Step 5: Solve for x
   x = 3,483,119.93/2,063.39
6. Step 6: Final answer
   x = 1,688.06