Finding the Fourth Proportional to 12,388.16, 18,586.12 and 4,068.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,388.16 : 18,586.12 = 4,068.24 : x
2. Step 2: Convert to fraction form
   12,388.16/18,586.12 = 4,068.24/x
3. Step 3: Cross multiply
   12,388.16x = 18,586.12 × 4,068.24
4. Step 4: Simplify right side
   12,388.16x = 75,612,796.83
5. Step 5: Solve for x
   x = 75,612,796.83/12,388.16
6. Step 6: Final answer
   x = 6,103.63