Finding the Fourth Proportional to 8,673.34, 12,947.24 and 7,622.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,673.34 : 12,947.24 = 7,622.38 : x
2. Step 2: Convert to fraction form
   8,673.34/12,947.24 = 7,622.38/x
3. Step 3: Cross multiply
   8,673.34x = 12,947.24 × 7,622.38
4. Step 4: Simplify right side
   8,673.34x = 98,688,783.23
5. Step 5: Solve for x
   x = 98,688,783.23/8,673.34
6. Step 6: Final answer
   x = 11,378.41