Finding the Fourth Proportional to 12,571.40, 17,347.86 and 7,535.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,571.40 : 17,347.86 = 7,535.82 : x
2. Step 2: Convert to fraction form
   12,571.40/17,347.86 = 7,535.82/x
3. Step 3: Cross multiply
   12,571.40x = 17,347.86 × 7,535.82
4. Step 4: Simplify right side
   12,571.40x = 130,730,350.35
5. Step 5: Solve for x
   x = 130,730,350.35/12,571.40
6. Step 6: Final answer
   x = 10,399.03