Finding the Fourth Proportional to 2,654.80, 3,982.04 and 1,269.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.80 : 3,982.04 = 1,269.12 : x
2. Step 2: Convert to fraction form
   2,654.80/3,982.04 = 1,269.12/x
3. Step 3: Cross multiply
   2,654.80x = 3,982.04 × 1,269.12
4. Step 4: Simplify right side
   2,654.80x = 5,053,686.60
5. Step 5: Solve for x
   x = 5,053,686.60/2,654.80
6. Step 6: Final answer
   x = 1,903.60