Finding the Fourth Proportional to 1,982.50, 2,735.58 and 1,098.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,982.50 : 2,735.58 = 1,098.08 : x
2. Step 2: Convert to fraction form
   1,982.50/2,735.58 = 1,098.08/x
3. Step 3: Cross multiply
   1,982.50x = 2,735.58 × 1,098.08
4. Step 4: Simplify right side
   1,982.50x = 3,003,885.69
5. Step 5: Solve for x
   x = 3,003,885.69/1,982.50
6. Step 6: Final answer
   x = 1,515.20