Finding the Fourth Proportional to 22,175.76, 30,607.56 and 15,105

Step by Step Solution

1. Step 1: Write the proportion equation
   22,175.76 : 30,607.56 = 15,105 : x
2. Step 2: Convert to fraction form
   22,175.76/30,607.56 = 15,105/x
3. Step 3: Cross multiply
   22,175.76x = 30,607.56 × 15,105
4. Step 4: Simplify right side
   22,175.76x = 462,327,193.80
5. Step 5: Solve for x
   x = 462,327,193.80/22,175.76
6. Step 6: Final answer
   x = 20,848.31