Finding the Fourth Proportional to 9,671.04, 13,331.52 and 7,571.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,671.04 : 13,331.52 = 7,571.52 : x
2. Step 2: Convert to fraction form
   9,671.04/13,331.52 = 7,571.52/x
3. Step 3: Cross multiply
   9,671.04x = 13,331.52 × 7,571.52
4. Step 4: Simplify right side
   9,671.04x = 100,939,870.31
5. Step 5: Solve for x
   x = 100,939,870.31/9,671.04
6. Step 6: Final answer
   x = 10,437.33