Finding the Fourth Proportional to 2,111.07, 3,163.56 and 1,551.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.07 : 3,163.56 = 1,551.38 : x
2. Step 2: Convert to fraction form
   2,111.07/3,163.56 = 1,551.38/x
3. Step 3: Cross multiply
   2,111.07x = 3,163.56 × 1,551.38
4. Step 4: Simplify right side
   2,111.07x = 4,907,867.90
5. Step 5: Solve for x
   x = 4,907,867.90/2,111.07
6. Step 6: Final answer
   x = 2,324.83