Finding the Fourth Proportional to 8,945.73, 12,334.59 and 7,261.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,945.73 : 12,334.59 = 7,261.83 : x
2. Step 2: Convert to fraction form
   8,945.73/12,334.59 = 7,261.83/x
3. Step 3: Cross multiply
   8,945.73x = 12,334.59 × 7,261.83
4. Step 4: Simplify right side
   8,945.73x = 89,571,695.70
5. Step 5: Solve for x
   x = 89,571,695.70/8,945.73
6. Step 6: Final answer
   x = 10,012.79