Finding the Fourth Proportional to 21,508.37, 32,250.24 and 8,345.37

Step by Step Solution

1. Step 1: Write the proportion equation
   21,508.37 : 32,250.24 = 8,345.37 : x
2. Step 2: Convert to fraction form
   21,508.37/32,250.24 = 8,345.37/x
3. Step 3: Cross multiply
   21,508.37x = 32,250.24 × 8,345.37
4. Step 4: Simplify right side
   21,508.37x = 269,140,185.39
5. Step 5: Solve for x
   x = 269,140,185.39/21,508.37
6. Step 6: Final answer
   x = 12,513.28