Finding the Fourth Proportional to 13,285.58, 18,334.22 and 7,317.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,285.58 : 18,334.22 = 7,317.27 : x
2. Step 2: Convert to fraction form
   13,285.58/18,334.22 = 7,317.27/x
3. Step 3: Cross multiply
   13,285.58x = 18,334.22 × 7,317.27
4. Step 4: Simplify right side
   13,285.58x = 134,156,401.39
5. Step 5: Solve for x
   x = 134,156,401.39/13,285.58
6. Step 6: Final answer
   x = 10,097.90