Finding the Fourth Proportional to 18,085.72, 27,134.52 and 11,414.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,085.72 : 27,134.52 = 11,414.50 : x
2. Step 2: Convert to fraction form
   18,085.72/27,134.52 = 11,414.50/x
3. Step 3: Cross multiply
   18,085.72x = 27,134.52 × 11,414.50
4. Step 4: Simplify right side
   18,085.72x = 309,726,978.54
5. Step 5: Solve for x
   x = 309,726,978.54/18,085.72
6. Step 6: Final answer
   x = 17,125.50