Finding the Fourth Proportional to 8,805.21, 12,150.78 and 4,826.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,805.21 : 12,150.78 = 4,826.22 : x
2. Step 2: Convert to fraction form
   8,805.21/12,150.78 = 4,826.22/x
3. Step 3: Cross multiply
   8,805.21x = 12,150.78 × 4,826.22
4. Step 4: Simplify right side
   8,805.21x = 58,642,337.45
5. Step 5: Solve for x
   x = 58,642,337.45/8,805.21
6. Step 6: Final answer
   x = 6,659.96