Finding the Fourth Proportional to 21,451.83, 32,164.73 and 9,603.39

Step by Step Solution

1. Step 1: Write the proportion equation
   21,451.83 : 32,164.73 = 9,603.39 : x
2. Step 2: Convert to fraction form
   21,451.83/32,164.73 = 9,603.39/x
3. Step 3: Cross multiply
   21,451.83x = 32,164.73 × 9,603.39
4. Step 4: Simplify right side
   21,451.83x = 308,890,398.42
5. Step 5: Solve for x
   x = 308,890,398.42/21,451.83
6. Step 6: Final answer
   x = 14,399.26