Finding the Fourth Proportional to 22,513.37, 33,759.45 and 13,156.09

Step by Step Solution

1. Step 1: Write the proportion equation
   22,513.37 : 33,759.45 = 13,156.09 : x
2. Step 2: Convert to fraction form
   22,513.37/33,759.45 = 13,156.09/x
3. Step 3: Cross multiply
   22,513.37x = 33,759.45 × 13,156.09
4. Step 4: Simplify right side
   22,513.37x = 444,142,362.55
5. Step 5: Solve for x
   x = 444,142,362.55/22,513.37
6. Step 6: Final answer
   x = 19,727.94