Finding the Fourth Proportional to 12,571.30, 17,351.25 and 8,322.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,571.30 : 17,351.25 = 8,322.52 : x
2. Step 2: Convert to fraction form
   12,571.30/17,351.25 = 8,322.52/x
3. Step 3: Cross multiply
   12,571.30x = 17,351.25 × 8,322.52
4. Step 4: Simplify right side
   12,571.30x = 144,406,081.77
5. Step 5: Solve for x
   x = 144,406,081.77/12,571.30
6. Step 6: Final answer
   x = 11,486.97