Finding the Fourth Proportional to 3,440.61, 4,745.25 and 2,111.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,440.61 : 4,745.25 = 2,111.94 : x
2. Step 2: Convert to fraction form
   3,440.61/4,745.25 = 2,111.94/x
3. Step 3: Cross multiply
   3,440.61x = 4,745.25 × 2,111.94
4. Step 4: Simplify right side
   3,440.61x = 10,021,683.29
5. Step 5: Solve for x
   x = 10,021,683.29/3,440.61
6. Step 6: Final answer
   x = 2,912.76