Finding the Fourth Proportional to 19,914.69, 27,476.72 and 12,361.34

Step by Step Solution

1. Step 1: Write the proportion equation
   19,914.69 : 27,476.72 = 12,361.34 : x
2. Step 2: Convert to fraction form
   19,914.69/27,476.72 = 12,361.34/x
3. Step 3: Cross multiply
   19,914.69x = 27,476.72 × 12,361.34
4. Step 4: Simplify right side
   19,914.69x = 339,649,131.24
5. Step 5: Solve for x
   x = 339,649,131.24/19,914.69
6. Step 6: Final answer
   x = 17,055.20