Finding the Fourth Proportional to 71,104.34, 106,662.89 and 18,514.28

Step by Step Solution

1. Step 1: Write the proportion equation
   71,104.34 : 106,662.89 = 18,514.28 : x
2. Step 2: Convert to fraction form
   71,104.34/106,662.89 = 18,514.28/x
3. Step 3: Cross multiply
   71,104.34x = 106,662.89 × 18,514.28
4. Step 4: Simplify right side
   71,104.34x = 1,974,786,924.01
5. Step 5: Solve for x
   x = 1,974,786,924.01/71,104.34
6. Step 6: Final answer
   x = 27,773.08