Finding the Fourth Proportional to 12,496.80, 17,249.52 and 7,464.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,496.80 : 17,249.52 = 7,464.72 : x
2. Step 2: Convert to fraction form
   12,496.80/17,249.52 = 7,464.72/x
3. Step 3: Cross multiply
   12,496.80x = 17,249.52 × 7,464.72
4. Step 4: Simplify right side
   12,496.80x = 128,762,836.93
5. Step 5: Solve for x
   x = 128,762,836.93/12,496.80
6. Step 6: Final answer
   x = 10,303.66