Finding the Fourth Proportional to 8,945.33, 12,343.74 and 4,911.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,945.33 : 12,343.74 = 4,911.50 : x
2. Step 2: Convert to fraction form
   8,945.33/12,343.74 = 4,911.50/x
3. Step 3: Cross multiply
   8,945.33x = 12,343.74 × 4,911.50
4. Step 4: Simplify right side
   8,945.33x = 60,626,217.29
5. Step 5: Solve for x
   x = 60,626,217.29/8,945.33
6. Step 6: Final answer
   x = 6,777.42