Finding the Fourth Proportional to 2,208.07, 3,310.94 and 974.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208.07 : 3,310.94 = 974.89 : x
2. Step 2: Convert to fraction form
   2,208.07/3,310.94 = 974.89/x
3. Step 3: Cross multiply
   2,208.07x = 3,310.94 × 974.89
4. Step 4: Simplify right side
   2,208.07x = 3,227,809.60
5. Step 5: Solve for x
   x = 3,227,809.60/2,208.07
6. Step 6: Final answer
   x = 1,461.83