Finding the Fourth Proportional to 16,831.80, 25,250.69 and 5,587.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,831.80 : 25,250.69 = 5,587.81 : x
2. Step 2: Convert to fraction form
   16,831.80/25,250.69 = 5,587.81/x
3. Step 3: Cross multiply
   16,831.80x = 25,250.69 × 5,587.81
4. Step 4: Simplify right side
   16,831.80x = 141,096,058.09
5. Step 5: Solve for x
   x = 141,096,058.09/16,831.80
6. Step 6: Final answer
   x = 8,382.71