Finding the Fourth Proportional to 13,314.42, 18,373.97 and 7,346.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,314.42 : 18,373.97 = 7,346.09 : x
2. Step 2: Convert to fraction form
   13,314.42/18,373.97 = 7,346.09/x
3. Step 3: Cross multiply
   13,314.42x = 18,373.97 × 7,346.09
4. Step 4: Simplify right side
   13,314.42x = 134,976,901.58
5. Step 5: Solve for x
   x = 134,976,901.58/13,314.42
6. Step 6: Final answer
   x = 10,137.65