Finding the Fourth Proportional to 9,513.35, 14,272.65 and 3,969.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,513.35 : 14,272.65 = 3,969.30 : x
2. Step 2: Convert to fraction form
   9,513.35/14,272.65 = 3,969.30/x
3. Step 3: Cross multiply
   9,513.35x = 14,272.65 × 3,969.30
4. Step 4: Simplify right side
   9,513.35x = 56,652,429.65
5. Step 5: Solve for x
   x = 56,652,429.65/9,513.35
6. Step 6: Final answer
   x = 5,955.05