Finding the Fourth Proportional to 21,597.75, 29,804.96 and 12,166.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,597.75 : 29,804.96 = 12,166.52 : x
2. Step 2: Convert to fraction form
   21,597.75/29,804.96 = 12,166.52/x
3. Step 3: Cross multiply
   21,597.75x = 29,804.96 × 12,166.52
4. Step 4: Simplify right side
   21,597.75x = 362,622,523.33
5. Step 5: Solve for x
   x = 362,622,523.33/21,597.75
6. Step 6: Final answer
   x = 16,789.83