Finding the Fourth Proportional to 2,654.90, 3,654.09 and 2,338.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.90 : 3,654.09 = 2,338.10 : x
2. Step 2: Convert to fraction form
   2,654.90/3,654.09 = 2,338.10/x
3. Step 3: Cross multiply
   2,654.90x = 3,654.09 × 2,338.10
4. Step 4: Simplify right side
   2,654.90x = 8,543,609.56
5. Step 5: Solve for x
   x = 8,543,609.56/2,654.90
6. Step 6: Final answer
   x = 3,218.05