Finding the Fourth Proportional to 2,764.56, 3,815.16 and 1,716.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,764.56 : 3,815.16 = 1,716.72 : x
2. Step 2: Convert to fraction form
   2,764.56/3,815.16 = 1,716.72/x
3. Step 3: Cross multiply
   2,764.56x = 3,815.16 × 1,716.72
4. Step 4: Simplify right side
   2,764.56x = 6,549,561.48
5. Step 5: Solve for x
   x = 6,549,561.48/2,764.56
6. Step 6: Final answer
   x = 2,369.12