Finding the Fourth Proportional to 11,952.45, 17,929.58 and 3,187.17

Step by Step Solution

1. Step 1: Write the proportion equation
   11,952.45 : 17,929.58 = 3,187.17 : x
2. Step 2: Convert to fraction form
   11,952.45/17,929.58 = 3,187.17/x
3. Step 3: Cross multiply
   11,952.45x = 17,929.58 × 3,187.17
4. Step 4: Simplify right side
   11,952.45x = 57,144,603.55
5. Step 5: Solve for x
   x = 57,144,603.55/11,952.45
6. Step 6: Final answer
   x = 4,780.99