Finding the Fourth Proportional to 11,952.72, 17,929.98 and 3,187.44

Step by Step Solution

1. Step 1: Write the proportion equation
   11,952.72 : 17,929.98 = 3,187.44 : x
2. Step 2: Convert to fraction form
   11,952.72/17,929.98 = 3,187.44/x
3. Step 3: Cross multiply
   11,952.72x = 17,929.98 × 3,187.44
4. Step 4: Simplify right side
   11,952.72x = 57,150,735.45
5. Step 5: Solve for x
   x = 57,150,735.45/11,952.72
6. Step 6: Final answer
   x = 4,781.40