Finding the Fourth Proportional to 13,304.72, 18,360.18 and 7,336.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,304.72 : 18,360.18 = 7,336.30 : x
2. Step 2: Convert to fraction form
   13,304.72/18,360.18 = 7,336.30/x
3. Step 3: Cross multiply
   13,304.72x = 18,360.18 × 7,336.30
4. Step 4: Simplify right side
   13,304.72x = 134,695,788.53
5. Step 5: Solve for x
   x = 134,695,788.53/13,304.72
6. Step 6: Final answer
   x = 10,123.91