Finding the Fourth Proportional to 13,296.18, 18,328.59 and 10,934.22

Step by Step Solution

1. Step 1: Write the proportion equation
   13,296.18 : 18,328.59 = 10,934.22 : x
2. Step 2: Convert to fraction form
   13,296.18/18,328.59 = 10,934.22/x
3. Step 3: Cross multiply
   13,296.18x = 18,328.59 × 10,934.22
4. Step 4: Simplify right side
   13,296.18x = 200,408,835.35
5. Step 5: Solve for x
   x = 200,408,835.35/13,296.18
6. Step 6: Final answer
   x = 15,072.66