Finding the Fourth Proportional to 10,272.09, 14,175.51 and 5,556.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,272.09 : 14,175.51 = 5,556.42 : x
2. Step 2: Convert to fraction form
   10,272.09/14,175.51 = 5,556.42/x
3. Step 3: Cross multiply
   10,272.09x = 14,175.51 × 5,556.42
4. Step 4: Simplify right side
   10,272.09x = 78,765,087.27
5. Step 5: Solve for x
   x = 78,765,087.27/10,272.09
6. Step 6: Final answer
   x = 7,667.87