Finding the Fourth Proportional to 13,327.57, 19,907.43 and 9,786.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,327.57 : 19,907.43 = 9,786.25 : x
2. Step 2: Convert to fraction form
   13,327.57/19,907.43 = 9,786.25/x
3. Step 3: Cross multiply
   13,327.57x = 19,907.43 × 9,786.25
4. Step 4: Simplify right side
   13,327.57x = 194,819,086.84
5. Step 5: Solve for x
   x = 194,819,086.84/13,327.57
6. Step 6: Final answer
   x = 14,617.75