Finding the Fourth Proportional to 2,064.19, 2,847.33 and 1,224.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.19 : 2,847.33 = 1,224.34 : x
2. Step 2: Convert to fraction form
   2,064.19/2,847.33 = 1,224.34/x
3. Step 3: Cross multiply
   2,064.19x = 2,847.33 × 1,224.34
4. Step 4: Simplify right side
   2,064.19x = 3,486,085.88
5. Step 5: Solve for x
   x = 3,486,085.88/2,064.19
6. Step 6: Final answer
   x = 1,688.84