Finding the Fourth Proportional to 1,111.29, 1,673.09 and 982.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.29 : 1,673.09 = 982.02 : x
2. Step 2: Convert to fraction form
   1,111.29/1,673.09 = 982.02/x
3. Step 3: Cross multiply
   1,111.29x = 1,673.09 × 982.02
4. Step 4: Simplify right side
   1,111.29x = 1,643,002.93
5. Step 5: Solve for x
   x = 1,643,002.93/1,111.29
6. Step 6: Final answer
   x = 1,478.46