Finding the Fourth Proportional to 8,945.12, 12,344.34 and 4,966.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,945.12 : 12,344.34 = 4,966.50 : x
2. Step 2: Convert to fraction form
   8,945.12/12,344.34 = 4,966.50/x
3. Step 3: Cross multiply
   8,945.12x = 12,344.34 × 4,966.50
4. Step 4: Simplify right side
   8,945.12x = 61,308,164.61
5. Step 5: Solve for x
   x = 61,308,164.61/8,945.12
6. Step 6: Final answer
   x = 6,853.81