Finding the Fourth Proportional to 8,562.06, 12,822.86 and 5,919.73

Step by Step Solution

1. Step 1: Write the proportion equation
   8,562.06 : 12,822.86 = 5,919.73 : x
2. Step 2: Convert to fraction form
   8,562.06/12,822.86 = 5,919.73/x
3. Step 3: Cross multiply
   8,562.06x = 12,822.86 × 5,919.73
4. Step 4: Simplify right side
   8,562.06x = 75,907,851.77
5. Step 5: Solve for x
   x = 75,907,851.77/8,562.06
6. Step 6: Final answer
   x = 8,865.61