Finding the Fourth Proportional to 8,923.98, 12,315.48 and 4,945.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,923.98 : 12,315.48 = 4,945.08 : x
2. Step 2: Convert to fraction form
   8,923.98/12,315.48 = 4,945.08/x
3. Step 3: Cross multiply
   8,923.98x = 12,315.48 × 4,945.08
4. Step 4: Simplify right side
   8,923.98x = 60,901,061.48
5. Step 5: Solve for x
   x = 60,901,061.48/8,923.98
6. Step 6: Final answer
   x = 6,824.43