Finding the Fourth Proportional to 13,233.42, 19,831.77 and 5,826.78

Step by Step Solution

1. Step 1: Write the proportion equation
   13,233.42 : 19,831.77 = 5,826.78 : x
2. Step 2: Convert to fraction form
   13,233.42/19,831.77 = 5,826.78/x
3. Step 3: Cross multiply
   13,233.42x = 19,831.77 × 5,826.78
4. Step 4: Simplify right side
   13,233.42x = 115,555,360.80
5. Step 5: Solve for x
   x = 115,555,360.80/13,233.42
6. Step 6: Final answer
   x = 8,732.09