Finding the Fourth Proportional to 1,099.55, 1,648.73 and 482.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,099.55 : 1,648.73 = 482.53 : x
2. Step 2: Convert to fraction form
   1,099.55/1,648.73 = 482.53/x
3. Step 3: Cross multiply
   1,099.55x = 1,648.73 × 482.53
4. Step 4: Simplify right side
   1,099.55x = 795,561.69
5. Step 5: Solve for x
   x = 795,561.69/1,099.55
6. Step 6: Final answer
   x = 723.53