Finding the Fourth Proportional to 13,114.42, 18,105.23 and 10,042.45

Step by Step Solution

1. Step 1: Write the proportion equation
   13,114.42 : 18,105.23 = 10,042.45 : x
2. Step 2: Convert to fraction form
   13,114.42/18,105.23 = 10,042.45/x
3. Step 3: Cross multiply
   13,114.42x = 18,105.23 × 10,042.45
4. Step 4: Simplify right side
   13,114.42x = 181,820,846.86
5. Step 5: Solve for x
   x = 181,820,846.86/13,114.42
6. Step 6: Final answer
   x = 13,864.20