Finding the Fourth Proportional to 10,272.63, 14,176.17 and 5,556.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,272.63 : 14,176.17 = 5,556.81 : x
2. Step 2: Convert to fraction form
   10,272.63/14,176.17 = 5,556.81/x
3. Step 3: Cross multiply
   10,272.63x = 14,176.17 × 5,556.81
4. Step 4: Simplify right side
   10,272.63x = 78,774,283.22
5. Step 5: Solve for x
   x = 78,774,283.22/10,272.63
6. Step 6: Final answer
   x = 7,668.37