Finding the Fourth Proportional to 12,570.49, 17,346.71 and 7,537.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,570.49 : 17,346.71 = 7,537.48 : x
2. Step 2: Convert to fraction form
   12,570.49/17,346.71 = 7,537.48/x
3. Step 3: Cross multiply
   12,570.49x = 17,346.71 × 7,537.48
4. Step 4: Simplify right side
   12,570.49x = 130,750,504.21
5. Step 5: Solve for x
   x = 130,750,504.21/12,570.49
6. Step 6: Final answer
   x = 10,401.39