Finding the Fourth Proportional to 1,099.84, 1,648.52 and 450.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,099.84 : 1,648.52 = 450.22 : x
2. Step 2: Convert to fraction form
   1,099.84/1,648.52 = 450.22/x
3. Step 3: Cross multiply
   1,099.84x = 1,648.52 × 450.22
4. Step 4: Simplify right side
   1,099.84x = 742,196.67
5. Step 5: Solve for x
   x = 742,196.67/1,099.84
6. Step 6: Final answer
   x = 674.82