Finding the Fourth Proportional to 1,480.22, 2,217.89 and 1,091.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,480.22 : 2,217.89 = 1,091.01 : x
2. Step 2: Convert to fraction form
   1,480.22/2,217.89 = 1,091.01/x
3. Step 3: Cross multiply
   1,480.22x = 2,217.89 × 1,091.01
4. Step 4: Simplify right side
   1,480.22x = 2,419,742.90
5. Step 5: Solve for x
   x = 2,419,742.90/1,480.22
6. Step 6: Final answer
   x = 1,634.72