Finding the Fourth Proportional to 5,182.56, 7,773.72 and 2,104.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,182.56 : 7,773.72 = 2,104.56 : x
2. Step 2: Convert to fraction form
   5,182.56/7,773.72 = 2,104.56/x
3. Step 3: Cross multiply
   5,182.56x = 7,773.72 × 2,104.56
4. Step 4: Simplify right side
   5,182.56x = 16,360,260.16
5. Step 5: Solve for x
   x = 16,360,260.16/5,182.56
6. Step 6: Final answer
   x = 3,156.79