Finding the Fourth Proportional to 2,099.63, 3,150.89 and 731.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099.63 : 3,150.89 = 731.63 : x
2. Step 2: Convert to fraction form
   2,099.63/3,150.89 = 731.63/x
3. Step 3: Cross multiply
   2,099.63x = 3,150.89 × 731.63
4. Step 4: Simplify right side
   2,099.63x = 2,305,266.24
5. Step 5: Solve for x
   x = 2,305,266.24/2,099.63
6. Step 6: Final answer
   x = 1,097.94