Finding the Fourth Proportional to 8,924.31, 12,316.04 and 4,945.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,924.31 : 12,316.04 = 4,945.34 : x
2. Step 2: Convert to fraction form
   8,924.31/12,316.04 = 4,945.34/x
3. Step 3: Cross multiply
   8,924.31x = 12,316.04 × 4,945.34
4. Step 4: Simplify right side
   8,924.31x = 60,907,005.25
5. Step 5: Solve for x
   x = 60,907,005.25/8,924.31
6. Step 6: Final answer
   x = 6,824.84