Finding the Fourth Proportional to 16,852.09, 23,255.89 and 9,400.09

Step by Step Solution

1. Step 1: Write the proportion equation
   16,852.09 : 23,255.89 = 9,400.09 : x
2. Step 2: Convert to fraction form
   16,852.09/23,255.89 = 9,400.09/x
3. Step 3: Cross multiply
   16,852.09x = 23,255.89 × 9,400.09
4. Step 4: Simplify right side
   16,852.09x = 218,607,459.03
5. Step 5: Solve for x
   x = 218,607,459.03/16,852.09
6. Step 6: Final answer
   x = 12,972.13