Finding the Fourth Proportional to 2,061.34, 2,844.64 and 1,222.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.34 : 2,844.64 = 1,222.46 : x
2. Step 2: Convert to fraction form
   2,061.34/2,844.64 = 1,222.46/x
3. Step 3: Cross multiply
   2,061.34x = 2,844.64 × 1,222.46
4. Step 4: Simplify right side
   2,061.34x = 3,477,456.59
5. Step 5: Solve for x
   x = 3,477,456.59/2,061.34
6. Step 6: Final answer
   x = 1,686.99