Finding the Fourth Proportional to 3,072.22, 4,606.89 and 1,123.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,072.22 : 4,606.89 = 1,123.06 : x
2. Step 2: Convert to fraction form
   3,072.22/4,606.89 = 1,123.06/x
3. Step 3: Cross multiply
   3,072.22x = 4,606.89 × 1,123.06
4. Step 4: Simplify right side
   3,072.22x = 5,173,813.88
5. Step 5: Solve for x
   x = 5,173,813.88/3,072.22
6. Step 6: Final answer
   x = 1,684.06