Finding the Fourth Proportional to 8,924.18, 12,314.43 and 4,945.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,924.18 : 12,314.43 = 4,945.05 : x
2. Step 2: Convert to fraction form
   8,924.18/12,314.43 = 4,945.05/x
3. Step 3: Cross multiply
   8,924.18x = 12,314.43 × 4,945.05
4. Step 4: Simplify right side
   8,924.18x = 60,895,472.07
5. Step 5: Solve for x
   x = 60,895,472.07/8,924.18
6. Step 6: Final answer
   x = 6,823.65