Finding the Fourth Proportional to 12,225.52, 16,871.42 and 6,636.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,225.52 : 16,871.42 = 6,636.52 : x
2. Step 2: Convert to fraction form
   12,225.52/16,871.42 = 6,636.52/x
3. Step 3: Cross multiply
   12,225.52x = 16,871.42 × 6,636.52
4. Step 4: Simplify right side
   12,225.52x = 111,967,459.04
5. Step 5: Solve for x
   x = 111,967,459.04/12,225.52
6. Step 6: Final answer
   x = 9,158.51