Finding the Fourth Proportional to 18,264.67, 27,394.89 and 5,118.10

Step by Step Solution

1. Step 1: Write the proportion equation
   18,264.67 : 27,394.89 = 5,118.10 : x
2. Step 2: Convert to fraction form
   18,264.67/27,394.89 = 5,118.10/x
3. Step 3: Cross multiply
   18,264.67x = 27,394.89 × 5,118.10
4. Step 4: Simplify right side
   18,264.67x = 140,209,786.51
5. Step 5: Solve for x
   x = 140,209,786.51/18,264.67
6. Step 6: Final answer
   x = 7,676.56