Finding the Fourth Proportional to 2,238.54, 3,342.72 and 1,828.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.54 : 3,342.72 = 1,828.47 : x
2. Step 2: Convert to fraction form
   2,238.54/3,342.72 = 1,828.47/x
3. Step 3: Cross multiply
   2,238.54x = 3,342.72 × 1,828.47
4. Step 4: Simplify right side
   2,238.54x = 6,112,063.24
5. Step 5: Solve for x
   x = 6,112,063.24/2,238.54
6. Step 6: Final answer
   x = 2,730.38