Finding the Fourth Proportional to 5,072.31, 7,608.72 and 1,609.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,072.31 : 7,608.72 = 1,609.83 : x
2. Step 2: Convert to fraction form
   5,072.31/7,608.72 = 1,609.83/x
3. Step 3: Cross multiply
   5,072.31x = 7,608.72 × 1,609.83
4. Step 4: Simplify right side
   5,072.31x = 12,248,745.72
5. Step 5: Solve for x
   x = 12,248,745.72/5,072.31
6. Step 6: Final answer
   x = 2,414.83