Finding the Fourth Proportional to 12,442.55, 18,663.60 and 3,082.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,442.55 : 18,663.60 = 3,082.59 : x
2. Step 2: Convert to fraction form
   12,442.55/18,663.60 = 3,082.59/x
3. Step 3: Cross multiply
   12,442.55x = 18,663.60 × 3,082.59
4. Step 4: Simplify right side
   12,442.55x = 57,532,175.07
5. Step 5: Solve for x
   x = 57,532,175.07/12,442.55
6. Step 6: Final answer
   x = 4,623.83