Finding the Fourth Proportional to 10,307.12, 14,223.60 and 5,831.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,307.12 : 14,223.60 = 5,831.06 : x
2. Step 2: Convert to fraction form
   10,307.12/14,223.60 = 5,831.06/x
3. Step 3: Cross multiply
   10,307.12x = 14,223.60 × 5,831.06
4. Step 4: Simplify right side
   10,307.12x = 82,938,665.02
5. Step 5: Solve for x
   x = 82,938,665.02/10,307.12
6. Step 6: Final answer
   x = 8,046.74