Finding the Fourth Proportional to 9,297.59, 12,831.72 and 5,521.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,297.59 : 12,831.72 = 5,521.67 : x
2. Step 2: Convert to fraction form
   9,297.59/12,831.72 = 5,521.67/x
3. Step 3: Cross multiply
   9,297.59x = 12,831.72 × 5,521.67
4. Step 4: Simplify right side
   9,297.59x = 70,852,486.63
5. Step 5: Solve for x
   x = 70,852,486.63/9,297.59
6. Step 6: Final answer
   x = 7,620.53