Finding the Fourth Proportional to 8,924.37, 12,315.69 and 4,945.74

Step by Step Solution

1. Step 1: Write the proportion equation
   8,924.37 : 12,315.69 = 4,945.74 : x
2. Step 2: Convert to fraction form
   8,924.37/12,315.69 = 4,945.74/x
3. Step 3: Cross multiply
   8,924.37x = 12,315.69 × 4,945.74
4. Step 4: Simplify right side
   8,924.37x = 60,910,200.66
5. Step 5: Solve for x
   x = 60,910,200.66/8,924.37
6. Step 6: Final answer
   x = 6,825.15