Finding the Fourth Proportional to 1,346.67, 1,859.94 and 1,328.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,346.67 : 1,859.94 = 1,328.49 : x
2. Step 2: Convert to fraction form
   1,346.67/1,859.94 = 1,328.49/x
3. Step 3: Cross multiply
   1,346.67x = 1,859.94 × 1,328.49
4. Step 4: Simplify right side
   1,346.67x = 2,470,911.69
5. Step 5: Solve for x
   x = 2,470,911.69/1,346.67
6. Step 6: Final answer
   x = 1,834.83