Finding the Fourth Proportional to 12,570.48, 17,347.60 and 7,532.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,570.48 : 17,347.60 = 7,532.96 : x
2. Step 2: Convert to fraction form
   12,570.48/17,347.60 = 7,532.96/x
3. Step 3: Cross multiply
   12,570.48x = 17,347.60 × 7,532.96
4. Step 4: Simplify right side
   12,570.48x = 130,678,776.90
5. Step 5: Solve for x
   x = 130,678,776.90/12,570.48
6. Step 6: Final answer
   x = 10,395.69