Finding the Fourth Proportional to 1,098.72, 1,647.96 and 482.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098.72 : 1,647.96 = 482.46 : x
2. Step 2: Convert to fraction form
   1,098.72/1,647.96 = 482.46/x
3. Step 3: Cross multiply
   1,098.72x = 1,647.96 × 482.46
4. Step 4: Simplify right side
   1,098.72x = 795,074.78
5. Step 5: Solve for x
   x = 795,074.78/1,098.72
6. Step 6: Final answer
   x = 723.64