Finding the Fourth Proportional to 1,480.97, 2,222.82 and 1,391.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,480.97 : 2,222.82 = 1,391.67 : x
2. Step 2: Convert to fraction form
   1,480.97/2,222.82 = 1,391.67/x
3. Step 3: Cross multiply
   1,480.97x = 2,222.82 × 1,391.67
4. Step 4: Simplify right side
   1,480.97x = 3,093,431.91
5. Step 5: Solve for x
   x = 3,093,431.91/1,480.97
6. Step 6: Final answer
   x = 2,088.79