Finding the Fourth Proportional to 9,260.58, 12,757.04 and 7,020.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,260.58 : 12,757.04 = 7,020.27 : x
2. Step 2: Convert to fraction form
   9,260.58/12,757.04 = 7,020.27/x
3. Step 3: Cross multiply
   9,260.58x = 12,757.04 × 7,020.27
4. Step 4: Simplify right side
   9,260.58x = 89,557,895.91
5. Step 5: Solve for x
   x = 89,557,895.91/9,260.58
6. Step 6: Final answer
   x = 9,670.88