Finding the Fourth Proportional to 9,258.79, 12,777.38 and 5,721.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,258.79 : 12,777.38 = 5,721.67 : x
2. Step 2: Convert to fraction form
   9,258.79/12,777.38 = 5,721.67/x
3. Step 3: Cross multiply
   9,258.79x = 12,777.38 × 5,721.67
4. Step 4: Simplify right side
   9,258.79x = 73,107,951.82
5. Step 5: Solve for x
   x = 73,107,951.82/9,258.79
6. Step 6: Final answer
   x = 7,896.06