Finding the Fourth Proportional to 13,101.39, 18,079.56 and 7,436.68

Step by Step Solution

1. Step 1: Write the proportion equation
   13,101.39 : 18,079.56 = 7,436.68 : x
2. Step 2: Convert to fraction form
   13,101.39/18,079.56 = 7,436.68/x
3. Step 3: Cross multiply
   13,101.39x = 18,079.56 × 7,436.68
4. Step 4: Simplify right side
   13,101.39x = 134,451,857.06
5. Step 5: Solve for x
   x = 134,451,857.06/13,101.39
6. Step 6: Final answer
   x = 10,262.41