Finding the Fourth Proportional to 13,046.92, 17,991.50 and 11,164.74

Step by Step Solution

1. Step 1: Write the proportion equation
   13,046.92 : 17,991.50 = 11,164.74 : x
2. Step 2: Convert to fraction form
   13,046.92/17,991.50 = 11,164.74/x
3. Step 3: Cross multiply
   13,046.92x = 17,991.50 × 11,164.74
4. Step 4: Simplify right side
   13,046.92x = 200,870,419.71
5. Step 5: Solve for x
   x = 200,870,419.71/13,046.92
6. Step 6: Final answer
   x = 15,396.00