Finding the Fourth Proportional to 19,908.34, 27,462.08 and 12,443.38

Step by Step Solution

1. Step 1: Write the proportion equation
   19,908.34 : 27,462.08 = 12,443.38 : x
2. Step 2: Convert to fraction form
   19,908.34/27,462.08 = 12,443.38/x
3. Step 3: Cross multiply
   19,908.34x = 27,462.08 × 12,443.38
4. Step 4: Simplify right side
   19,908.34x = 341,721,097.03
5. Step 5: Solve for x
   x = 341,721,097.03/19,908.34
6. Step 6: Final answer
   x = 17,164.72