Finding the Fourth Proportional to 2,103.76, 3,156.96 and 1,453.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.76 : 3,156.96 = 1,453.28 : x
2. Step 2: Convert to fraction form
   2,103.76/3,156.96 = 1,453.28/x
3. Step 3: Cross multiply
   2,103.76x = 3,156.96 × 1,453.28
4. Step 4: Simplify right side
   2,103.76x = 4,587,946.83
5. Step 5: Solve for x
   x = 4,587,946.83/2,103.76
6. Step 6: Final answer
   x = 2,180.83