Finding the Fourth Proportional to 12,505, 17,257.22 and 7,537.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,505 : 17,257.22 = 7,537.32 : x
2. Step 2: Convert to fraction form
   12,505/17,257.22 = 7,537.32/x
3. Step 3: Cross multiply
   12,505x = 17,257.22 × 7,537.32
4. Step 4: Simplify right side
   12,505x = 130,073,189.45
5. Step 5: Solve for x
   x = 130,073,189.45/12,505
6. Step 6: Final answer
   x = 10,401.69