Finding the Fourth Proportional to 1,098.72, 1,647.98 and 482.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098.72 : 1,647.98 = 482.34 : x
2. Step 2: Convert to fraction form
   1,098.72/1,647.98 = 482.34/x
3. Step 3: Cross multiply
   1,098.72x = 1,647.98 × 482.34
4. Step 4: Simplify right side
   1,098.72x = 794,886.67
5. Step 5: Solve for x
   x = 794,886.67/1,098.72
6. Step 6: Final answer
   x = 723.47