Finding the Fourth Proportional to 8,826.84, 12,180.78 and 4,847.85

Step by Step Solution

1. Step 1: Write the proportion equation
   8,826.84 : 12,180.78 = 4,847.85 : x
2. Step 2: Convert to fraction form
   8,826.84/12,180.78 = 4,847.85/x
3. Step 3: Cross multiply
   8,826.84x = 12,180.78 × 4,847.85
4. Step 4: Simplify right side
   8,826.84x = 59,050,594.32
5. Step 5: Solve for x
   x = 59,050,594.32/8,826.84
6. Step 6: Final answer
   x = 6,689.89