Finding the Fourth Proportional to 13,314.69, 18,375.12 and 7,346.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,314.69 : 18,375.12 = 7,346.34 : x
2. Step 2: Convert to fraction form
   13,314.69/18,375.12 = 7,346.34/x
3. Step 3: Cross multiply
   13,314.69x = 18,375.12 × 7,346.34
4. Step 4: Simplify right side
   13,314.69x = 134,989,879.06
5. Step 5: Solve for x
   x = 134,989,879.06/13,314.69
6. Step 6: Final answer
   x = 10,138.42