Finding the Fourth Proportional to 8,049.78, 12,081.96 and 5,585.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,049.78 : 12,081.96 = 5,585.76 : x
2. Step 2: Convert to fraction form
   8,049.78/12,081.96 = 5,585.76/x
3. Step 3: Cross multiply
   8,049.78x = 12,081.96 × 5,585.76
4. Step 4: Simplify right side
   8,049.78x = 67,486,928.89
5. Step 5: Solve for x
   x = 67,486,928.89/8,049.78
6. Step 6: Final answer
   x = 8,383.70