Finding the Fourth Proportional to 21,788.29, 32,696.23 and 9,308.37

Step by Step Solution

1. Step 1: Write the proportion equation
   21,788.29 : 32,696.23 = 9,308.37 : x
2. Step 2: Convert to fraction form
   21,788.29/32,696.23 = 9,308.37/x
3. Step 3: Cross multiply
   21,788.29x = 32,696.23 × 9,308.37
4. Step 4: Simplify right side
   21,788.29x = 304,348,606.45
5. Step 5: Solve for x
   x = 304,348,606.45/21,788.29
6. Step 6: Final answer
   x = 13,968.45