Finding the Fourth Proportional to 22,996.89, 31,735.64 and 13,436.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,996.89 : 31,735.64 = 13,436.06 : x
2. Step 2: Convert to fraction form
   22,996.89/31,735.64 = 13,436.06/x
3. Step 3: Cross multiply
   22,996.89x = 31,735.64 × 13,436.06
4. Step 4: Simplify right side
   22,996.89x = 426,401,737.32
5. Step 5: Solve for x
   x = 426,401,737.32/22,996.89
6. Step 6: Final answer
   x = 18,541.71