Finding the Fourth Proportional to 19,597.81, 27,044.72 and 10,645.60

Step by Step Solution

1. Step 1: Write the proportion equation
   19,597.81 : 27,044.72 = 10,645.60 : x
2. Step 2: Convert to fraction form
   19,597.81/27,044.72 = 10,645.60/x
3. Step 3: Cross multiply
   19,597.81x = 27,044.72 × 10,645.60
4. Step 4: Simplify right side
   19,597.81x = 287,907,190.31
5. Step 5: Solve for x
   x = 287,907,190.31/19,597.81
6. Step 6: Final answer
   x = 14,690.79