Finding the Fourth Proportional to 55,196.40, 82,769.69 and 15,744.14

Step by Step Solution

1. Step 1: Write the proportion equation
   55,196.40 : 82,769.69 = 15,744.14 : x
2. Step 2: Convert to fraction form
   55,196.40/82,769.69 = 15,744.14/x
3. Step 3: Cross multiply
   55,196.40x = 82,769.69 × 15,744.14
4. Step 4: Simplify right side
   55,196.40x = 1,303,137,587.12
5. Step 5: Solve for x
   x = 1,303,137,587.12/55,196.40
6. Step 6: Final answer
   x = 23,609.10