Finding the Fourth Proportional to 2,608.67, 3,892.71 and 2,546.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.67 : 3,892.71 = 2,546.12 : x
2. Step 2: Convert to fraction form
   2,608.67/3,892.71 = 2,546.12/x
3. Step 3: Cross multiply
   2,608.67x = 3,892.71 × 2,546.12
4. Step 4: Simplify right side
   2,608.67x = 9,911,306.79
5. Step 5: Solve for x
   x = 9,911,306.79/2,608.67
6. Step 6: Final answer
   x = 3,799.37