Finding the Fourth Proportional to 16,831.69, 25,254.82 and 9,031.39

Step by Step Solution

1. Step 1: Write the proportion equation
   16,831.69 : 25,254.82 = 9,031.39 : x
2. Step 2: Convert to fraction form
   16,831.69/25,254.82 = 9,031.39/x
3. Step 3: Cross multiply
   16,831.69x = 25,254.82 × 9,031.39
4. Step 4: Simplify right side
   16,831.69x = 228,086,128.80
5. Step 5: Solve for x
   x = 228,086,128.80/16,831.69
6. Step 6: Final answer
   x = 13,550.99