Finding the Fourth Proportional to 22,968.54, 34,436.59 and 8,916.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,968.54 : 34,436.59 = 8,916.89 : x
2. Step 2: Convert to fraction form
   22,968.54/34,436.59 = 8,916.89/x
3. Step 3: Cross multiply
   22,968.54x = 34,436.59 × 8,916.89
4. Step 4: Simplify right side
   22,968.54x = 307,067,090.53
5. Step 5: Solve for x
   x = 307,067,090.53/22,968.54
6. Step 6: Final answer
   x = 13,369.03