Finding the Fourth Proportional to 2,654.88, 3,982.08 and 1,267.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.88 : 3,982.08 = 1,267.20 : x
2. Step 2: Convert to fraction form
   2,654.88/3,982.08 = 1,267.20/x
3. Step 3: Cross multiply
   2,654.88x = 3,982.08 × 1,267.20
4. Step 4: Simplify right side
   2,654.88x = 5,046,091.78
5. Step 5: Solve for x
   x = 5,046,091.78/2,654.88
6. Step 6: Final answer
   x = 1,900.69