Finding the Fourth Proportional to 13,322.73, 18,385.83 and 7,354.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,322.73 : 18,385.83 = 7,354.62 : x
2. Step 2: Convert to fraction form
   13,322.73/18,385.83 = 7,354.62/x
3. Step 3: Cross multiply
   13,322.73x = 18,385.83 × 7,354.62
4. Step 4: Simplify right side
   13,322.73x = 135,220,793.03
5. Step 5: Solve for x
   x = 135,220,793.03/13,322.73
6. Step 6: Final answer
   x = 10,149.63