Finding the Fourth Proportional to 12,385.95, 18,567.55 and 5,361.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,385.95 : 18,567.55 = 5,361.54 : x
2. Step 2: Convert to fraction form
   12,385.95/18,567.55 = 5,361.54/x
3. Step 3: Cross multiply
   12,385.95x = 18,567.55 × 5,361.54
4. Step 4: Simplify right side
   12,385.95x = 99,550,662.03
5. Step 5: Solve for x
   x = 99,550,662.03/12,385.95
6. Step 6: Final answer
   x = 8,037.39