Finding the Fourth Proportional to 8,826.38, 12,180.60 and 4,847.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,826.38 : 12,180.60 = 4,847.51 : x
2. Step 2: Convert to fraction form
   8,826.38/12,180.60 = 4,847.51/x
3. Step 3: Cross multiply
   8,826.38x = 12,180.60 × 4,847.51
4. Step 4: Simplify right side
   8,826.38x = 59,045,519.40
5. Step 5: Solve for x
   x = 59,045,519.40/8,826.38
6. Step 6: Final answer
   x = 6,689.66