Finding the Fourth Proportional to 12,049.68, 18,077.17 and 3,615.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,049.68 : 18,077.17 = 3,615.83 : x
2. Step 2: Convert to fraction form
   12,049.68/18,077.17 = 3,615.83/x
3. Step 3: Cross multiply
   12,049.68x = 18,077.17 × 3,615.83
4. Step 4: Simplify right side
   12,049.68x = 65,363,865.14
5. Step 5: Solve for x
   x = 65,363,865.14/12,049.68
6. Step 6: Final answer
   x = 5,424.53