Finding the Fourth Proportional to 19,829.50, 27,364.71 and 10,997.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,829.50 : 27,364.71 = 10,997.50 : x
2. Step 2: Convert to fraction form
   19,829.50/27,364.71 = 10,997.50/x
3. Step 3: Cross multiply
   19,829.50x = 27,364.71 × 10,997.50
4. Step 4: Simplify right side
   19,829.50x = 300,943,398.23
5. Step 5: Solve for x
   x = 300,943,398.23/19,829.50
6. Step 6: Final answer
   x = 15,176.55