Finding the Fourth Proportional to 16,371.84, 22,591.20 and 9,659.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,371.84 : 22,591.20 = 9,659.52 : x
2. Step 2: Convert to fraction form
   16,371.84/22,591.20 = 9,659.52/x
3. Step 3: Cross multiply
   16,371.84x = 22,591.20 × 9,659.52
4. Step 4: Simplify right side
   16,371.84x = 218,220,148.22
5. Step 5: Solve for x
   x = 218,220,148.22/16,371.84
6. Step 6: Final answer
   x = 13,328.99