Finding the Fourth Proportional to 8,820.82, 12,173.34 and 5,831.47

Step by Step Solution

1. Step 1: Write the proportion equation
   8,820.82 : 12,173.34 = 5,831.47 : x
2. Step 2: Convert to fraction form
   8,820.82/12,173.34 = 5,831.47/x
3. Step 3: Cross multiply
   8,820.82x = 12,173.34 × 5,831.47
4. Step 4: Simplify right side
   8,820.82x = 70,988,467.01
5. Step 5: Solve for x
   x = 70,988,467.01/8,820.82
6. Step 6: Final answer
   x = 8,047.83