Finding the Fourth Proportional to 2,238.45, 3,089.30 and 1,354.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.45 : 3,089.30 = 1,354.74 : x
2. Step 2: Convert to fraction form
   2,238.45/3,089.30 = 1,354.74/x
3. Step 3: Cross multiply
   2,238.45x = 3,089.30 × 1,354.74
4. Step 4: Simplify right side
   2,238.45x = 4,185,198.28
5. Step 5: Solve for x
   x = 4,185,198.28/2,238.45
6. Step 6: Final answer
   x = 1,869.69