Finding the Fourth Proportional to 21,667.35, 32,494.38 and 9,187.14

Step by Step Solution

1. Step 1: Write the proportion equation
   21,667.35 : 32,494.38 = 9,187.14 : x
2. Step 2: Convert to fraction form
   21,667.35/32,494.38 = 9,187.14/x
3. Step 3: Cross multiply
   21,667.35x = 32,494.38 × 9,187.14
4. Step 4: Simplify right side
   21,667.35x = 298,530,418.27
5. Step 5: Solve for x
   x = 298,530,418.27/21,667.35
6. Step 6: Final answer
   x = 13,777.89