Finding the Fourth Proportional to 9,605.34, 13,273.74 and 7,836.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,605.34 : 13,273.74 = 7,836.30 : x
2. Step 2: Convert to fraction form
   9,605.34/13,273.74 = 7,836.30/x
3. Step 3: Cross multiply
   9,605.34x = 13,273.74 × 7,836.30
4. Step 4: Simplify right side
   9,605.34x = 104,017,008.76
5. Step 5: Solve for x
   x = 104,017,008.76/9,605.34
6. Step 6: Final answer
   x = 10,829.08