Finding the Fourth Proportional to 1,982.77, 2,736.14 and 1,098.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,982.77 : 2,736.14 = 1,098.55 : x
2. Step 2: Convert to fraction form
   1,982.77/2,736.14 = 1,098.55/x
3. Step 3: Cross multiply
   1,982.77x = 2,736.14 × 1,098.55
4. Step 4: Simplify right side
   1,982.77x = 3,005,786.60
5. Step 5: Solve for x
   x = 3,005,786.60/1,982.77
6. Step 6: Final answer
   x = 1,515.95