Finding the Fourth Proportional to 18,536.72, 27,801.72 and 7,442.96

Step by Step Solution

1. Step 1: Write the proportion equation
   18,536.72 : 27,801.72 = 7,442.96 : x
2. Step 2: Convert to fraction form
   18,536.72/27,801.72 = 7,442.96/x
3. Step 3: Cross multiply
   18,536.72x = 27,801.72 × 7,442.96
4. Step 4: Simplify right side
   18,536.72x = 206,927,089.89
5. Step 5: Solve for x
   x = 206,927,089.89/18,536.72
6. Step 6: Final answer
   x = 11,163.09