Finding the Fourth Proportional to 13,046.42, 17,990.82 and 11,164.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,046.42 : 17,990.82 = 11,164.25 : x
2. Step 2: Convert to fraction form
   13,046.42/17,990.82 = 11,164.25/x
3. Step 3: Cross multiply
   13,046.42x = 17,990.82 × 11,164.25
4. Step 4: Simplify right side
   13,046.42x = 200,853,922.23
5. Step 5: Solve for x
   x = 200,853,922.23/13,046.42
6. Step 6: Final answer
   x = 15,395.33