Finding the Fourth Proportional to 8,082.56, 12,112.50 and 5,613.68

Step by Step Solution

1. Step 1: Write the proportion equation
   8,082.56 : 12,112.50 = 5,613.68 : x
2. Step 2: Convert to fraction form
   8,082.56/12,112.50 = 5,613.68/x
3. Step 3: Cross multiply
   8,082.56x = 12,112.50 × 5,613.68
4. Step 4: Simplify right side
   8,082.56x = 67,995,699
5. Step 5: Solve for x
   x = 67,995,699/8,082.56
6. Step 6: Final answer
   x = 8,412.64