Finding the Fourth Proportional to 22,132.56, 33,164.22 and 13,907.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,132.56 : 33,164.22 = 13,907.28 : x
2. Step 2: Convert to fraction form
   22,132.56/33,164.22 = 13,907.28/x
3. Step 3: Cross multiply
   22,132.56x = 33,164.22 × 13,907.28
4. Step 4: Simplify right side
   22,132.56x = 461,224,093.52
5. Step 5: Solve for x
   x = 461,224,093.52/22,132.56
6. Step 6: Final answer
   x = 20,839.17