Finding the Fourth Proportional to 1,728.06, 2,384.69 and 982.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,728.06 : 2,384.69 = 982.01 : x
2. Step 2: Convert to fraction form
   1,728.06/2,384.69 = 982.01/x
3. Step 3: Cross multiply
   1,728.06x = 2,384.69 × 982.01
4. Step 4: Simplify right side
   1,728.06x = 2,341,772.59
5. Step 5: Solve for x
   x = 2,341,772.59/1,728.06
6. Step 6: Final answer
   x = 1,355.15