Finding the Fourth Proportional to 2,010.72, 2,774.79 and 1,171.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.72 : 2,774.79 = 1,171.44 : x
2. Step 2: Convert to fraction form
   2,010.72/2,774.79 = 1,171.44/x
3. Step 3: Cross multiply
   2,010.72x = 2,774.79 × 1,171.44
4. Step 4: Simplify right side
   2,010.72x = 3,250,500.00
5. Step 5: Solve for x
   x = 3,250,500.00/2,010.72
6. Step 6: Final answer
   x = 1,616.59