Finding the Fourth Proportional to 12,003.37, 18,007.50 and 4,217.65

Step by Step Solution

1. Step 1: Write the proportion equation
   12,003.37 : 18,007.50 = 4,217.65 : x
2. Step 2: Convert to fraction form
   12,003.37/18,007.50 = 4,217.65/x
3. Step 3: Cross multiply
   12,003.37x = 18,007.50 × 4,217.65
4. Step 4: Simplify right side
   12,003.37x = 75,949,242.34
5. Step 5: Solve for x
   x = 75,949,242.34/12,003.37
6. Step 6: Final answer
   x = 6,327.33