Finding the Fourth Proportional to 13,301.73, 18,356.85 and 7,333.61

Step by Step Solution

1. Step 1: Write the proportion equation
   13,301.73 : 18,356.85 = 7,333.61 : x
2. Step 2: Convert to fraction form
   13,301.73/18,356.85 = 7,333.61/x
3. Step 3: Cross multiply
   13,301.73x = 18,356.85 × 7,333.61
4. Step 4: Simplify right side
   13,301.73x = 134,621,886.94
5. Step 5: Solve for x
   x = 134,621,886.94/13,301.73
6. Step 6: Final answer
   x = 10,120.63