Finding the Fourth Proportional to 21,464.86, 32,203.98 and 9,628.54

Step by Step Solution

1. Step 1: Write the proportion equation
   21,464.86 : 32,203.98 = 9,628.54 : x
2. Step 2: Convert to fraction form
   21,464.86/32,203.98 = 9,628.54/x
3. Step 3: Cross multiply
   21,464.86x = 32,203.98 × 9,628.54
4. Step 4: Simplify right side
   21,464.86x = 310,077,309.59
5. Step 5: Solve for x
   x = 310,077,309.59/21,464.86
6. Step 6: Final answer
   x = 14,445.81