Finding the Fourth Proportional to 11,936.56, 16,476.89 and 10,251.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,936.56 : 16,476.89 = 10,251.20 : x
2. Step 2: Convert to fraction form
   11,936.56/16,476.89 = 10,251.20/x
3. Step 3: Cross multiply
   11,936.56x = 16,476.89 × 10,251.20
4. Step 4: Simplify right side
   11,936.56x = 168,907,894.77
5. Step 5: Solve for x
   x = 168,907,894.77/11,936.56
6. Step 6: Final answer
   x = 14,150.47