Finding the Fourth Proportional to 13,284.92, 18,333.72 and 7,317.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,284.92 : 18,333.72 = 7,317.15 : x
2. Step 2: Convert to fraction form
   13,284.92/18,333.72 = 7,317.15/x
3. Step 3: Cross multiply
   13,284.92x = 18,333.72 × 7,317.15
4. Step 4: Simplify right side
   13,284.92x = 134,150,579.30
5. Step 5: Solve for x
   x = 134,150,579.30/13,284.92
6. Step 6: Final answer
   x = 10,097.96