Finding the Fourth Proportional to 19,678.50, 27,156.33 and 10,846.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,678.50 : 27,156.33 = 10,846.50 : x
2. Step 2: Convert to fraction form
   19,678.50/27,156.33 = 10,846.50/x
3. Step 3: Cross multiply
   19,678.50x = 27,156.33 × 10,846.50
4. Step 4: Simplify right side
   19,678.50x = 294,551,133.35
5. Step 5: Solve for x
   x = 294,551,133.35/19,678.50
6. Step 6: Final answer
   x = 14,968.17