Finding the Fourth Proportional to 2,063.84, 2,847.81 and 1,212.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,063.84 : 2,847.81 = 1,212.73 : x
2. Step 2: Convert to fraction form
   2,063.84/2,847.81 = 1,212.73/x
3. Step 3: Cross multiply
   2,063.84x = 2,847.81 × 1,212.73
4. Step 4: Simplify right side
   2,063.84x = 3,453,617.50
5. Step 5: Solve for x
   x = 3,453,617.50/2,063.84
6. Step 6: Final answer
   x = 1,673.40