Finding the Fourth Proportional to 5,454.48, 8,184.15 and 2,856.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,454.48 : 8,184.15 = 2,856.81 : x
2. Step 2: Convert to fraction form
   5,454.48/8,184.15 = 2,856.81/x
3. Step 3: Cross multiply
   5,454.48x = 8,184.15 × 2,856.81
4. Step 4: Simplify right side
   5,454.48x = 23,380,561.56
5. Step 5: Solve for x
   x = 23,380,561.56/5,454.48
6. Step 6: Final answer
   x = 4,286.49