Finding the Fourth Proportional to 13,284.72, 18,333.27 and 7,316.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,284.72 : 18,333.27 = 7,316.76 : x
2. Step 2: Convert to fraction form
   13,284.72/18,333.27 = 7,316.76/x
3. Step 3: Cross multiply
   13,284.72x = 18,333.27 × 7,316.76
4. Step 4: Simplify right side
   13,284.72x = 134,140,136.61
5. Step 5: Solve for x
   x = 134,140,136.61/13,284.72
6. Step 6: Final answer
   x = 10,097.33