Finding the Fourth Proportional to 2,061.77, 2,844.99 and 1,222.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.77 : 2,844.99 = 1,222.34 : x
2. Step 2: Convert to fraction form
   2,061.77/2,844.99 = 1,222.34/x
3. Step 3: Cross multiply
   2,061.77x = 2,844.99 × 1,222.34
4. Step 4: Simplify right side
   2,061.77x = 3,477,530.85
5. Step 5: Solve for x
   x = 3,477,530.85/2,061.77
6. Step 6: Final answer
   x = 1,686.68