Finding the Fourth Proportional to 2,171.10, 2,995.89 and 1,226.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171.10 : 2,995.89 = 1,226.94 : x
2. Step 2: Convert to fraction form
   2,171.10/2,995.89 = 1,226.94/x
3. Step 3: Cross multiply
   2,171.10x = 2,995.89 × 1,226.94
4. Step 4: Simplify right side
   2,171.10x = 3,675,777.28
5. Step 5: Solve for x
   x = 3,675,777.28/2,171.10
6. Step 6: Final answer
   x = 1,693.05