Finding the Fourth Proportional to 10,272.75, 14,176.38 and 5,557.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,272.75 : 14,176.38 = 5,557.03 : x
2. Step 2: Convert to fraction form
   10,272.75/14,176.38 = 5,557.03/x
3. Step 3: Cross multiply
   10,272.75x = 14,176.38 × 5,557.03
4. Step 4: Simplify right side
   10,272.75x = 78,778,554.35
5. Step 5: Solve for x
   x = 78,778,554.35/10,272.75
6. Step 6: Final answer
   x = 7,668.69