Finding the Fourth Proportional to 12,082.55, 16,636.03 and 10,975.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,082.55 : 16,636.03 = 10,975.38 : x
2. Step 2: Convert to fraction form
   12,082.55/16,636.03 = 10,975.38/x
3. Step 3: Cross multiply
   12,082.55x = 16,636.03 × 10,975.38
4. Step 4: Simplify right side
   12,082.55x = 182,586,723.50
5. Step 5: Solve for x
   x = 182,586,723.50/12,082.55
6. Step 6: Final answer
   x = 15,111.61