Finding the Fourth Proportional to 9,762.72, 13,469.76 and 5,984.64

Step by Step Solution

1. Step 1: Write the proportion equation
   9,762.72 : 13,469.76 = 5,984.64 : x
2. Step 2: Convert to fraction form
   9,762.72/13,469.76 = 5,984.64/x
3. Step 3: Cross multiply
   9,762.72x = 13,469.76 × 5,984.64
4. Step 4: Simplify right side
   9,762.72x = 80,611,664.49
5. Step 5: Solve for x
   x = 80,611,664.49/9,762.72
6. Step 6: Final answer
   x = 8,257.09