Finding the Fourth Proportional to 13,333.05, 18,399.25 and 7,364.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,333.05 : 18,399.25 = 7,364.59 : x
2. Step 2: Convert to fraction form
   13,333.05/18,399.25 = 7,364.59/x
3. Step 3: Cross multiply
   13,333.05x = 18,399.25 × 7,364.59
4. Step 4: Simplify right side
   13,333.05x = 135,502,904.97
5. Step 5: Solve for x
   x = 135,502,904.97/13,333.05
6. Step 6: Final answer
   x = 10,162.94