Finding the Fourth Proportional to 11,679.21, 17,510.58 and 5,831.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,679.21 : 17,510.58 = 5,831.69 : x
2. Step 2: Convert to fraction form
   11,679.21/17,510.58 = 5,831.69/x
3. Step 3: Cross multiply
   11,679.21x = 17,510.58 × 5,831.69
4. Step 4: Simplify right side
   11,679.21x = 102,116,186.73
5. Step 5: Solve for x
   x = 102,116,186.73/11,679.21
6. Step 6: Final answer
   x = 8,743.42