Finding the Fourth Proportional to 2,729.89, 4,095.45 and 998.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,729.89 : 4,095.45 = 998.50 : x
2. Step 2: Convert to fraction form
   2,729.89/4,095.45 = 998.50/x
3. Step 3: Cross multiply
   2,729.89x = 4,095.45 × 998.50
4. Step 4: Simplify right side
   2,729.89x = 4,089,306.83
5. Step 5: Solve for x
   x = 4,089,306.83/2,729.89
6. Step 6: Final answer
   x = 1,497.97