Finding the Fourth Proportional to 16,910.25, 23,336.01 and 9,356.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,910.25 : 23,336.01 = 9,356.59 : x
2. Step 2: Convert to fraction form
   16,910.25/23,336.01 = 9,356.59/x
3. Step 3: Cross multiply
   16,910.25x = 23,336.01 × 9,356.59
4. Step 4: Simplify right side
   16,910.25x = 218,345,477.81
5. Step 5: Solve for x
   x = 218,345,477.81/16,910.25
6. Step 6: Final answer
   x = 12,912.02