Finding the Fourth Proportional to 11,994.35, 16,556.72 and 10,309.01

Step by Step Solution

1. Step 1: Write the proportion equation
   11,994.35 : 16,556.72 = 10,309.01 : x
2. Step 2: Convert to fraction form
   11,994.35/16,556.72 = 10,309.01/x
3. Step 3: Cross multiply
   11,994.35x = 16,556.72 × 10,309.01
4. Step 4: Simplify right side
   11,994.35x = 170,683,257.72
5. Step 5: Solve for x
   x = 170,683,257.72/11,994.35
6. Step 6: Final answer
   x = 14,230.31