Finding the Fourth Proportional to 9,965.34, 14,945.96 and 3,724.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,965.34 : 14,945.96 = 3,724.20 : x
2. Step 2: Convert to fraction form
   9,965.34/14,945.96 = 3,724.20/x
3. Step 3: Cross multiply
   9,965.34x = 14,945.96 × 3,724.20
4. Step 4: Simplify right side
   9,965.34x = 55,661,753.54
5. Step 5: Solve for x
   x = 55,661,753.54/9,965.34
6. Step 6: Final answer
   x = 5,585.53