Finding the Fourth Proportional to 13,301.39, 18,356.05 and 7,333.28

Step by Step Solution

1. Step 1: Write the proportion equation
   13,301.39 : 18,356.05 = 7,333.28 : x
2. Step 2: Convert to fraction form
   13,301.39/18,356.05 = 7,333.28/x
3. Step 3: Cross multiply
   13,301.39x = 18,356.05 × 7,333.28
4. Step 4: Simplify right side
   13,301.39x = 134,610,054.34
5. Step 5: Solve for x
   x = 134,610,054.34/13,301.39
6. Step 6: Final answer
   x = 10,120.00