Finding the Fourth Proportional to 19,682.34, 27,161.79 and 10,729.89

Step by Step Solution

1. Step 1: Write the proportion equation
   19,682.34 : 27,161.79 = 10,729.89 : x
2. Step 2: Convert to fraction form
   19,682.34/27,161.79 = 10,729.89/x
3. Step 3: Cross multiply
   19,682.34x = 27,161.79 × 10,729.89
4. Step 4: Simplify right side
   19,682.34x = 291,443,018.90
5. Step 5: Solve for x
   x = 291,443,018.90/19,682.34
6. Step 6: Final answer
   x = 14,807.34