Finding the Fourth Proportional to 22,111.28, 33,167.16 and 9,459.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,111.28 : 33,167.16 = 9,459.31 : x
2. Step 2: Convert to fraction form
   22,111.28/33,167.16 = 9,459.31/x
3. Step 3: Cross multiply
   22,111.28x = 33,167.16 × 9,459.31
4. Step 4: Simplify right side
   22,111.28x = 313,738,448.26
5. Step 5: Solve for x
   x = 313,738,448.26/22,111.28
6. Step 6: Final answer
   x = 14,189.07