Finding the Fourth Proportional to 22,457.47, 33,689.28 and 7,662.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,457.47 : 33,689.28 = 7,662.42 : x
2. Step 2: Convert to fraction form
   22,457.47/33,689.28 = 7,662.42/x
3. Step 3: Cross multiply
   22,457.47x = 33,689.28 × 7,662.42
4. Step 4: Simplify right side
   22,457.47x = 258,141,412.86
5. Step 5: Solve for x
   x = 258,141,412.86/22,457.47
6. Step 6: Final answer
   x = 11,494.68