Finding the Fourth Proportional to 12,361.62, 17,042.52 and 10,229.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,361.62 : 17,042.52 = 10,229.30 : x
2. Step 2: Convert to fraction form
   12,361.62/17,042.52 = 10,229.30/x
3. Step 3: Cross multiply
   12,361.62x = 17,042.52 × 10,229.30
4. Step 4: Simplify right side
   12,361.62x = 174,333,049.84
5. Step 5: Solve for x
   x = 174,333,049.84/12,361.62
6. Step 6: Final answer
   x = 14,102.77