Finding the Fourth Proportional to 13,300.38, 18,353.68 and 7,331.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300.38 : 18,353.68 = 7,331.72 : x
2. Step 2: Convert to fraction form
   13,300.38/18,353.68 = 7,331.72/x
3. Step 3: Cross multiply
   13,300.38x = 18,353.68 × 7,331.72
4. Step 4: Simplify right side
   13,300.38x = 134,564,042.73
5. Step 5: Solve for x
   x = 134,564,042.73/13,300.38
6. Step 6: Final answer
   x = 10,117.31