Finding the Fourth Proportional to 2,104.72, 3,157.16 and 1,077.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104.72 : 3,157.16 = 1,077.52 : x
2. Step 2: Convert to fraction form
   2,104.72/3,157.16 = 1,077.52/x
3. Step 3: Cross multiply
   2,104.72x = 3,157.16 × 1,077.52
4. Step 4: Simplify right side
   2,104.72x = 3,401,903.04
5. Step 5: Solve for x
   x = 3,401,903.04/2,104.72
6. Step 6: Final answer
   x = 1,616.32