Finding the Fourth Proportional to 3,071.54, 4,606.83 and 1,123.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,071.54 : 4,606.83 = 1,123.28 : x
2. Step 2: Convert to fraction form
   3,071.54/4,606.83 = 1,123.28/x
3. Step 3: Cross multiply
   3,071.54x = 4,606.83 × 1,123.28
4. Step 4: Simplify right side
   3,071.54x = 5,174,768.71
5. Step 5: Solve for x
   x = 5,174,768.71/3,071.54
6. Step 6: Final answer
   x = 1,684.75