Finding the Fourth Proportional to 2,729.89, 4,091.63 and 1,265.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,729.89 : 4,091.63 = 1,265.96 : x
2. Step 2: Convert to fraction form
   2,729.89/4,091.63 = 1,265.96/x
3. Step 3: Cross multiply
   2,729.89x = 4,091.63 × 1,265.96
4. Step 4: Simplify right side
   2,729.89x = 5,179,839.91
5. Step 5: Solve for x
   x = 5,179,839.91/2,729.89
6. Step 6: Final answer
   x = 1,897.45