Finding the Fourth Proportional to 8,155.41, 11,256.48 and 4,620.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,155.41 : 11,256.48 = 4,620.72 : x
2. Step 2: Convert to fraction form
   8,155.41/11,256.48 = 4,620.72/x
3. Step 3: Cross multiply
   8,155.41x = 11,256.48 × 4,620.72
4. Step 4: Simplify right side
   8,155.41x = 52,013,042.27
5. Step 5: Solve for x
   x = 52,013,042.27/8,155.41
6. Step 6: Final answer
   x = 6,377.73