Finding the Fourth Proportional to 12,380.29, 18,577.96 and 5,362.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,380.29 : 18,577.96 = 5,362.15 : x
2. Step 2: Convert to fraction form
   12,380.29/18,577.96 = 5,362.15/x
3. Step 3: Cross multiply
   12,380.29x = 18,577.96 × 5,362.15
4. Step 4: Simplify right side
   12,380.29x = 99,617,783.20
5. Step 5: Solve for x
   x = 99,617,783.20/12,380.29
6. Step 6: Final answer
   x = 8,046.48