Finding the Fourth Proportional to 8,826.38, 12,180.40 and 4,847.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,826.38 : 12,180.40 = 4,847.56 : x
2. Step 2: Convert to fraction form
   8,826.38/12,180.40 = 4,847.56/x
3. Step 3: Cross multiply
   8,826.38x = 12,180.40 × 4,847.56
4. Step 4: Simplify right side
   8,826.38x = 59,045,177.25
5. Step 5: Solve for x
   x = 59,045,177.25/8,826.38
6. Step 6: Final answer
   x = 6,689.63