Finding the Fourth Proportional to 2,046.85, 3,071.18 and 1,072.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.85 : 3,071.18 = 1,072.72 : x
2. Step 2: Convert to fraction form
   2,046.85/3,071.18 = 1,072.72/x
3. Step 3: Cross multiply
   2,046.85x = 3,071.18 × 1,072.72
4. Step 4: Simplify right side
   2,046.85x = 3,294,516.21
5. Step 5: Solve for x
   x = 3,294,516.21/2,046.85
6. Step 6: Final answer
   x = 1,609.55