Finding the Fourth Proportional to 13,103.86, 18,084.92 and 7,440.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,103.86 : 18,084.92 = 7,440.37 : x
2. Step 2: Convert to fraction form
   13,103.86/18,084.92 = 7,440.37/x
3. Step 3: Cross multiply
   13,103.86x = 18,084.92 × 7,440.37
4. Step 4: Simplify right side
   13,103.86x = 134,558,496.22
5. Step 5: Solve for x
   x = 134,558,496.22/13,103.86
6. Step 6: Final answer
   x = 10,268.62