Finding the Fourth Proportional to 2,772.56, 3,825.96 and 1,530.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,772.56 : 3,825.96 = 1,530.56 : x
2. Step 2: Convert to fraction form
   2,772.56/3,825.96 = 1,530.56/x
3. Step 3: Cross multiply
   2,772.56x = 3,825.96 × 1,530.56
4. Step 4: Simplify right side
   2,772.56x = 5,855,861.34
5. Step 5: Solve for x
   x = 5,855,861.34/2,772.56
6. Step 6: Final answer
   x = 2,112.08