Finding the Fourth Proportional to 19,698.71, 27,174.78 and 13,327.52

Step by Step Solution

1. Step 1: Write the proportion equation
   19,698.71 : 27,174.78 = 13,327.52 : x
2. Step 2: Convert to fraction form
   19,698.71/27,174.78 = 13,327.52/x
3. Step 3: Cross multiply
   19,698.71x = 27,174.78 × 13,327.52
4. Step 4: Simplify right side
   19,698.71x = 362,172,288.07
5. Step 5: Solve for x
   x = 362,172,288.07/19,698.71
6. Step 6: Final answer
   x = 18,385.59