Finding the Fourth Proportional to 3,380.82, 5,072.03 and 1,072.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,380.82 : 5,072.03 = 1,072.32 : x
2. Step 2: Convert to fraction form
   3,380.82/5,072.03 = 1,072.32/x
3. Step 3: Cross multiply
   3,380.82x = 5,072.03 × 1,072.32
4. Step 4: Simplify right side
   3,380.82x = 5,438,833.85
5. Step 5: Solve for x
   x = 5,438,833.85/3,380.82
6. Step 6: Final answer
   x = 1,608.73