Finding the Fourth Proportional to 2,238.82, 3,089.64 and 1,354.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.82 : 3,089.64 = 1,354.12 : x
2. Step 2: Convert to fraction form
   2,238.82/3,089.64 = 1,354.12/x
3. Step 3: Cross multiply
   2,238.82x = 3,089.64 × 1,354.12
4. Step 4: Simplify right side
   2,238.82x = 4,183,740.67
5. Step 5: Solve for x
   x = 4,183,740.67/2,238.82
6. Step 6: Final answer
   x = 1,868.72