Finding the Fourth Proportional to 12,831.83, 19,247.63 and 4,066.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,831.83 : 19,247.63 = 4,066.52 : x
2. Step 2: Convert to fraction form
   12,831.83/19,247.63 = 4,066.52/x
3. Step 3: Cross multiply
   12,831.83x = 19,247.63 × 4,066.52
4. Step 4: Simplify right side
   12,831.83x = 78,270,755.78
5. Step 5: Solve for x
   x = 78,270,755.78/12,831.83
6. Step 6: Final answer
   x = 6,099.74