Finding the Fourth Proportional to 10,081.47, 13,908.43 and 5,831.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,081.47 : 13,908.43 = 5,831.74 : x
2. Step 2: Convert to fraction form
   10,081.47/13,908.43 = 5,831.74/x
3. Step 3: Cross multiply
   10,081.47x = 13,908.43 × 5,831.74
4. Step 4: Simplify right side
   10,081.47x = 81,110,408.20
5. Step 5: Solve for x
   x = 81,110,408.20/10,081.47
6. Step 6: Final answer
   x = 8,045.49