Finding the Fourth Proportional to 9,245.33, 12,757.88 and 5,660.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,245.33 : 12,757.88 = 5,660.87 : x
2. Step 2: Convert to fraction form
   9,245.33/12,757.88 = 5,660.87/x
3. Step 3: Cross multiply
   9,245.33x = 12,757.88 × 5,660.87
4. Step 4: Simplify right side
   9,245.33x = 72,220,608.06
5. Step 5: Solve for x
   x = 72,220,608.06/9,245.33
6. Step 6: Final answer
   x = 7,811.58