Finding the Fourth Proportional to 18,111.27, 27,164.61 and 7,010.39

Step by Step Solution

1. Step 1: Write the proportion equation
   18,111.27 : 27,164.61 = 7,010.39 : x
2. Step 2: Convert to fraction form
   18,111.27/27,164.61 = 7,010.39/x
3. Step 3: Cross multiply
   18,111.27x = 27,164.61 × 7,010.39
4. Step 4: Simplify right side
   18,111.27x = 190,434,374.47
5. Step 5: Solve for x
   x = 190,434,374.47/18,111.27
6. Step 6: Final answer
   x = 10,514.69