Finding the Fourth Proportional to 12,574.82, 17,355.39 and 7,272.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,574.82 : 17,355.39 = 7,272.86 : x
2. Step 2: Convert to fraction form
   12,574.82/17,355.39 = 7,272.86/x
3. Step 3: Cross multiply
   12,574.82x = 17,355.39 × 7,272.86
4. Step 4: Simplify right side
   12,574.82x = 126,223,321.72
5. Step 5: Solve for x
   x = 126,223,321.72/12,574.82
6. Step 6: Final answer
   x = 10,037.78