Finding the Fourth Proportional to 2,654.96, 3,979.89 and 1,267.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.96 : 3,979.89 = 1,267.92 : x
2. Step 2: Convert to fraction form
   2,654.96/3,979.89 = 1,267.92/x
3. Step 3: Cross multiply
   2,654.96x = 3,979.89 × 1,267.92
4. Step 4: Simplify right side
   2,654.96x = 5,046,182.13
5. Step 5: Solve for x
   x = 5,046,182.13/2,654.96
6. Step 6: Final answer
   x = 1,900.67