Finding the Fourth Proportional to 12,003.71, 18,005.89 and 3,238.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,003.71 : 18,005.89 = 3,238.60 : x
2. Step 2: Convert to fraction form
   12,003.71/18,005.89 = 3,238.60/x
3. Step 3: Cross multiply
   12,003.71x = 18,005.89 × 3,238.60
4. Step 4: Simplify right side
   12,003.71x = 58,313,822.24
5. Step 5: Solve for x
   x = 58,313,822.24/12,003.71
6. Step 6: Final answer
   x = 4,857.99