Finding the Fourth Proportional to 19,885.86, 27,442.67 and 10,933.42

Step by Step Solution

1. Step 1: Write the proportion equation
   19,885.86 : 27,442.67 = 10,933.42 : x
2. Step 2: Convert to fraction form
   19,885.86/27,442.67 = 10,933.42/x
3. Step 3: Cross multiply
   19,885.86x = 27,442.67 × 10,933.42
4. Step 4: Simplify right side
   19,885.86x = 300,042,237.03
5. Step 5: Solve for x
   x = 300,042,237.03/19,885.86
6. Step 6: Final answer
   x = 15,088.22