Finding the Fourth Proportional to 9,698.79, 13,370.22 and 7,710.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,698.79 : 13,370.22 = 7,710.15 : x
2. Step 2: Convert to fraction form
   9,698.79/13,370.22 = 7,710.15/x
3. Step 3: Cross multiply
   9,698.79x = 13,370.22 × 7,710.15
4. Step 4: Simplify right side
   9,698.79x = 103,086,401.73
5. Step 5: Solve for x
   x = 103,086,401.73/9,698.79
6. Step 6: Final answer
   x = 10,628.79