Finding the Fourth Proportional to 12,576.12, 17,356.56 and 7,272.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,576.12 : 17,356.56 = 7,272.24 : x
2. Step 2: Convert to fraction form
   12,576.12/17,356.56 = 7,272.24/x
3. Step 3: Cross multiply
   12,576.12x = 17,356.56 × 7,272.24
4. Step 4: Simplify right side
   12,576.12x = 126,221,069.89
5. Step 5: Solve for x
   x = 126,221,069.89/12,576.12
6. Step 6: Final answer
   x = 10,036.57