Finding the Fourth Proportional to 2,796.98, 3,858.54 and 2,238.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,796.98 : 3,858.54 = 2,238.23 : x
2. Step 2: Convert to fraction form
   2,796.98/3,858.54 = 2,238.23/x
3. Step 3: Cross multiply
   2,796.98x = 3,858.54 × 2,238.23
4. Step 4: Simplify right side
   2,796.98x = 8,636,301.24
5. Step 5: Solve for x
   x = 8,636,301.24/2,796.98
6. Step 6: Final answer
   x = 3,087.72