Finding the Fourth Proportional to 3,946.67, 5,918.28 and 2,097.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,946.67 : 5,918.28 = 2,097.34 : x
2. Step 2: Convert to fraction form
   3,946.67/5,918.28 = 2,097.34/x
3. Step 3: Cross multiply
   3,946.67x = 5,918.28 × 2,097.34
4. Step 4: Simplify right side
   3,946.67x = 12,412,605.30
5. Step 5: Solve for x
   x = 12,412,605.30/3,946.67
6. Step 6: Final answer
   x = 3,145.09