Finding the Fourth Proportional to 1,768.02, 2,439.83 and 982.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,768.02 : 2,439.83 = 982.02 : x
2. Step 2: Convert to fraction form
   1,768.02/2,439.83 = 982.02/x
3. Step 3: Cross multiply
   1,768.02x = 2,439.83 × 982.02
4. Step 4: Simplify right side
   1,768.02x = 2,395,961.86
5. Step 5: Solve for x
   x = 2,395,961.86/1,768.02
6. Step 6: Final answer
   x = 1,355.17