Finding the Fourth Proportional to 19,994, 27,591.72 and 11,610.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,994 : 27,591.72 = 11,610.50 : x
2. Step 2: Convert to fraction form
   19,994/27,591.72 = 11,610.50/x
3. Step 3: Cross multiply
   19,994x = 27,591.72 × 11,610.50
4. Step 4: Simplify right side
   19,994x = 320,353,665.06
5. Step 5: Solve for x
   x = 320,353,665.06/19,994
6. Step 6: Final answer
   x = 16,022.49