Finding the Fourth Proportional to 12,377.82, 18,567.54 and 3,612

Step by Step Solution

1. Step 1: Write the proportion equation
   12,377.82 : 18,567.54 = 3,612 : x
2. Step 2: Convert to fraction form
   12,377.82/18,567.54 = 3,612/x
3. Step 3: Cross multiply
   12,377.82x = 18,567.54 × 3,612
4. Step 4: Simplify right side
   12,377.82x = 67,065,954.48
5. Step 5: Solve for x
   x = 67,065,954.48/12,377.82
6. Step 6: Final answer
   x = 5,418.24