Finding the Fourth Proportional to 1,098.76, 1,648.17 and 482.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098.76 : 1,648.17 = 482.15 : x
2. Step 2: Convert to fraction form
   1,098.76/1,648.17 = 482.15/x
3. Step 3: Cross multiply
   1,098.76x = 1,648.17 × 482.15
4. Step 4: Simplify right side
   1,098.76x = 794,665.17
5. Step 5: Solve for x
   x = 794,665.17/1,098.76
6. Step 6: Final answer
   x = 723.24