Finding the Fourth Proportional to 982.80, 1,467.72 and 846.18

Step by Step Solution

1. Step 1: Write the proportion equation
   982.80 : 1,467.72 = 846.18 : x
2. Step 2: Convert to fraction form
   982.80/1,467.72 = 846.18/x
3. Step 3: Cross multiply
   982.80x = 1,467.72 × 846.18
4. Step 4: Simplify right side
   982.80x = 1,241,955.31
5. Step 5: Solve for x
   x = 1,241,955.31/982.80
6. Step 6: Final answer
   x = 1,263.69