Finding the Fourth Proportional to 2,606.34, 3,890.45 and 2,262.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.34 : 3,890.45 = 2,262.09 : x
2. Step 2: Convert to fraction form
   2,606.34/3,890.45 = 2,262.09/x
3. Step 3: Cross multiply
   2,606.34x = 3,890.45 × 2,262.09
4. Step 4: Simplify right side
   2,606.34x = 8,800,536.73
5. Step 5: Solve for x
   x = 8,800,536.73/2,606.34
6. Step 6: Final answer
   x = 3,376.59