Finding the Fourth Proportional to 5,111.73, 7,670.55 and 2,149.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,111.73 : 7,670.55 = 2,149.94 : x
2. Step 2: Convert to fraction form
   5,111.73/7,670.55 = 2,149.94/x
3. Step 3: Cross multiply
   5,111.73x = 7,670.55 × 2,149.94
4. Step 4: Simplify right side
   5,111.73x = 16,491,222.27
5. Step 5: Solve for x
   x = 16,491,222.27/5,111.73
6. Step 6: Final answer
   x = 3,226.15