Finding the Fourth Proportional to 9,945.50, 14,915.21 and 3,369.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,945.50 : 14,915.21 = 3,369.92 : x
2. Step 2: Convert to fraction form
   9,945.50/14,915.21 = 3,369.92/x
3. Step 3: Cross multiply
   9,945.50x = 14,915.21 × 3,369.92
4. Step 4: Simplify right side
   9,945.50x = 50,262,973.06
5. Step 5: Solve for x
   x = 50,262,973.06/9,945.50
6. Step 6: Final answer
   x = 5,053.84