Finding the Fourth Proportional to 8,726.81, 12,042.72 and 4,950.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,726.81 : 12,042.72 = 4,950.32 : x
2. Step 2: Convert to fraction form
   8,726.81/12,042.72 = 4,950.32/x
3. Step 3: Cross multiply
   8,726.81x = 12,042.72 × 4,950.32
4. Step 4: Simplify right side
   8,726.81x = 59,615,257.46
5. Step 5: Solve for x
   x = 59,615,257.46/8,726.81
6. Step 6: Final answer
   x = 6,831.28