Finding the Fourth Proportional to 13,301.69, 18,356.61 and 7,333.61

Step by Step Solution

1. Step 1: Write the proportion equation
   13,301.69 : 18,356.61 = 7,333.61 : x
2. Step 2: Convert to fraction form
   13,301.69/18,356.61 = 7,333.61/x
3. Step 3: Cross multiply
   13,301.69x = 18,356.61 × 7,333.61
4. Step 4: Simplify right side
   13,301.69x = 134,620,218.66
5. Step 5: Solve for x
   x = 134,620,218.66/13,301.69
6. Step 6: Final answer
   x = 10,120.53