Finding the Fourth Proportional to 2,729.58, 4,091.49 and 1,267.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,729.58 : 4,091.49 = 1,267.50 : x
2. Step 2: Convert to fraction form
   2,729.58/4,091.49 = 1,267.50/x
3. Step 3: Cross multiply
   2,729.58x = 4,091.49 × 1,267.50
4. Step 4: Simplify right side
   2,729.58x = 5,185,963.58
5. Step 5: Solve for x
   x = 5,185,963.58/2,729.58
6. Step 6: Final answer
   x = 1,899.91