Finding the Fourth Proportional to 2,462.67, 3,689.82 and 2,151.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,462.67 : 3,689.82 = 2,151.09 : x
2. Step 2: Convert to fraction form
   2,462.67/3,689.82 = 2,151.09/x
3. Step 3: Cross multiply
   2,462.67x = 3,689.82 × 2,151.09
4. Step 4: Simplify right side
   2,462.67x = 7,937,134.90
5. Step 5: Solve for x
   x = 7,937,134.90/2,462.67
6. Step 6: Final answer
   x = 3,222.98