Finding the Fourth Proportional to 19,571.52, 27,196.05 and 19,368.31

Step by Step Solution

1. Step 1: Write the proportion equation
   19,571.52 : 27,196.05 = 19,368.31 : x
2. Step 2: Convert to fraction form
   19,571.52/27,196.05 = 19,368.31/x
3. Step 3: Cross multiply
   19,571.52x = 27,196.05 × 19,368.31
4. Step 4: Simplify right side
   19,571.52x = 526,741,527.18
5. Step 5: Solve for x
   x = 526,741,527.18/19,571.52
6. Step 6: Final answer
   x = 26,913.67