Finding the Fourth Proportional to 1,459.58, 2,180.82 and 1,408.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,459.58 : 2,180.82 = 1,408.54 : x
2. Step 2: Convert to fraction form
   1,459.58/2,180.82 = 1,408.54/x
3. Step 3: Cross multiply
   1,459.58x = 2,180.82 × 1,408.54
4. Step 4: Simplify right side
   1,459.58x = 3,071,772.20
5. Step 5: Solve for x
   x = 3,071,772.20/1,459.58
6. Step 6: Final answer
   x = 2,104.56