Finding the Fourth Proportional to 2,796.76, 3,858.82 and 2,238.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,796.76 : 3,858.82 = 2,238.36 : x
2. Step 2: Convert to fraction form
   2,796.76/3,858.82 = 2,238.36/x
3. Step 3: Cross multiply
   2,796.76x = 3,858.82 × 2,238.36
4. Step 4: Simplify right side
   2,796.76x = 8,637,428.34
5. Step 5: Solve for x
   x = 8,637,428.34/2,796.76
6. Step 6: Final answer
   x = 3,088.37