Finding the Fourth Proportional to 22,106.42, 33,164.62 and 7,315.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,106.42 : 33,164.62 = 7,315.30 : x
2. Step 2: Convert to fraction form
   22,106.42/33,164.62 = 7,315.30/x
3. Step 3: Cross multiply
   22,106.42x = 33,164.62 × 7,315.30
4. Step 4: Simplify right side
   22,106.42x = 242,609,144.69
5. Step 5: Solve for x
   x = 242,609,144.69/22,106.42
6. Step 6: Final answer
   x = 10,974.60