Finding the Fourth Proportional to 10,272.97, 14,176.69 and 5,557.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,272.97 : 14,176.69 = 5,557.24 : x
2. Step 2: Convert to fraction form
   10,272.97/14,176.69 = 5,557.24/x
3. Step 3: Cross multiply
   10,272.97x = 14,176.69 × 5,557.24
4. Step 4: Simplify right side
   10,272.97x = 78,783,268.74
5. Step 5: Solve for x
   x = 78,783,268.74/10,272.97
6. Step 6: Final answer
   x = 7,668.99