Finding the Fourth Proportional to 10,725.89, 14,796.73 and 6,749.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,725.89 : 14,796.73 = 6,749.20 : x
2. Step 2: Convert to fraction form
   10,725.89/14,796.73 = 6,749.20/x
3. Step 3: Cross multiply
   10,725.89x = 14,796.73 × 6,749.20
4. Step 4: Simplify right side
   10,725.89x = 99,865,982.39
5. Step 5: Solve for x
   x = 99,865,982.39/10,725.89
6. Step 6: Final answer
   x = 9,310.74