Finding the Fourth Proportional to 2,346.54, 3,238.58 and 1,338.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,346.54 : 3,238.58 = 1,338.25 : x
2. Step 2: Convert to fraction form
   2,346.54/3,238.58 = 1,338.25/x
3. Step 3: Cross multiply
   2,346.54x = 3,238.58 × 1,338.25
4. Step 4: Simplify right side
   2,346.54x = 4,334,021.90
5. Step 5: Solve for x
   x = 4,334,021.90/2,346.54
6. Step 6: Final answer
   x = 1,846.99