Finding the Fourth Proportional to 18,111.82, 27,165.42 and 7,010.91

Step by Step Solution

1. Step 1: Write the proportion equation
   18,111.82 : 27,165.42 = 7,010.91 : x
2. Step 2: Convert to fraction form
   18,111.82/27,165.42 = 7,010.91/x
3. Step 3: Cross multiply
   18,111.82x = 27,165.42 × 7,010.91
4. Step 4: Simplify right side
   18,111.82x = 190,454,314.73
5. Step 5: Solve for x
   x = 190,454,314.73/18,111.82
6. Step 6: Final answer
   x = 10,515.47