Finding the Fourth Proportional to 19,628.72, 27,111.96 and 14,242.52

Step by Step Solution

1. Step 1: Write the proportion equation
   19,628.72 : 27,111.96 = 14,242.52 : x
2. Step 2: Convert to fraction form
   19,628.72/27,111.96 = 14,242.52/x
3. Step 3: Cross multiply
   19,628.72x = 27,111.96 × 14,242.52
4. Step 4: Simplify right side
   19,628.72x = 386,142,632.54
5. Step 5: Solve for x
   x = 386,142,632.54/19,628.72
6. Step 6: Final answer
   x = 19,672.33