Finding the Fourth Proportional to 2,316.57, 3,197.33 and 1,609.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,316.57 : 3,197.33 = 1,609.89 : x
2. Step 2: Convert to fraction form
   2,316.57/3,197.33 = 1,609.89/x
3. Step 3: Cross multiply
   2,316.57x = 3,197.33 × 1,609.89
4. Step 4: Simplify right side
   2,316.57x = 5,147,349.59
5. Step 5: Solve for x
   x = 5,147,349.59/2,316.57
6. Step 6: Final answer
   x = 2,221.97