Finding the Fourth Proportional to 3,071.72, 4,604.94 and 1,123.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,071.72 : 4,604.94 = 1,123.52 : x
2. Step 2: Convert to fraction form
   3,071.72/4,604.94 = 1,123.52/x
3. Step 3: Cross multiply
   3,071.72x = 4,604.94 × 1,123.52
4. Step 4: Simplify right side
   3,071.72x = 5,173,742.19
5. Step 5: Solve for x
   x = 5,173,742.19/3,071.72
6. Step 6: Final answer
   x = 1,684.31