Finding the Fourth Proportional to 2,111.36, 3,166.56 and 1,453.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.36 : 3,166.56 = 1,453.76 : x
2. Step 2: Convert to fraction form
   2,111.36/3,166.56 = 1,453.76/x
3. Step 3: Cross multiply
   2,111.36x = 3,166.56 × 1,453.76
4. Step 4: Simplify right side
   2,111.36x = 4,603,418.27
5. Step 5: Solve for x
   x = 4,603,418.27/2,111.36
6. Step 6: Final answer
   x = 2,180.31