Finding the Fourth Proportional to 1,606.37, 2,215.59 and 1,016.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,606.37 : 2,215.59 = 1,016.33 : x
2. Step 2: Convert to fraction form
   1,606.37/2,215.59 = 1,016.33/x
3. Step 3: Cross multiply
   1,606.37x = 2,215.59 × 1,016.33
4. Step 4: Simplify right side
   1,606.37x = 2,251,770.58
5. Step 5: Solve for x
   x = 2,251,770.58/1,606.37
6. Step 6: Final answer
   x = 1,401.78