Finding the Fourth Proportional to 12,377.56, 18,564.54 and 3,610.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,377.56 : 18,564.54 = 3,610.12 : x
2. Step 2: Convert to fraction form
   12,377.56/18,564.54 = 3,610.12/x
3. Step 3: Cross multiply
   12,377.56x = 18,564.54 × 3,610.12
4. Step 4: Simplify right side
   12,377.56x = 67,020,217.14
5. Step 5: Solve for x
   x = 67,020,217.14/12,377.56
6. Step 6: Final answer
   x = 5,414.66